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Netherlands Delta Works: Wonder Of The Modern World (Guide)

Published: September 10, 2023

Modified: December 27, 2023

by Poppy Matta

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Introduction

The Netherlands Delta Works is often referred to as a wonder of the modern world. This massive infrastructure project, located in the southwestern part of the Netherlands, is a testament to the country’s engineering ingenuity and determination to protect its land from the constant threats of flooding and erosion. The Delta Works is a comprehensive system of dams, barriers, and storm surge barriers that has effectively shielded the country from the devastating effects of the North Sea and major rivers.

The need for such a massive undertaking stems from the unique geographical challenges that the Netherlands faces. With about a quarter of its landmass situated below sea level, the country is vulnerable to flooding and erosion caused by rising sea levels and powerful storms. These threats were magnified by the catastrophic North Sea flood of 1953, which claimed the lives of over 1,800 people.

In response to this tragedy, the Dutch government launched an ambitious plan to protect the country against future floods. The construction of the Delta Works began in 1958 and continued for several decades, resulting in an extensive system that spans over 870 miles (1,400 kilometers) and includes both sea defenses and river defenses.

Today, the Netherlands Delta Works not only protect the country from the constant threat of flooding, but they also serve as a symbol of resilience and innovation. Visitors from around the world come to marvel at the impressive engineering feats and learn about the rich history behind these remarkable structures.

In this guide, we will delve into the fascinating history, design, and construction of the Delta Works. We will explore the various components of the system and understand their crucial functions in safeguarding the Netherlands against the forces of nature. We will also discuss the environmental impact of the Delta Works and provide practical information for those wishing to visit this architectural marvel.

History of the Netherlands Delta Works

The history of the Netherlands Delta Works can be traced back to the devastating North Sea flood of 1953. This natural disaster, also known as the Watersnoodramp, caused immense destruction and loss of life across the country. In response to the tragedy, the Dutch government resolved to take significant measures to protect the low-lying regions from future flooding.

In 1954, the Delta Commission was formed and tasked with developing a comprehensive plan to fortify the country’s coastal areas. The commission conducted extensive research and proposed an ambitious project that would effectively control the tides and prevent flooding. This marked the birth of the Netherlands Delta Works.

The construction of the Delta Works began in 1958 and continued for decades. The project involved collaboration between engineers, hydrologists, architects, and construction workers. It was a monumental undertaking that required innovative thinking, advanced technology, and an unwavering dedication to safeguarding the Netherlands against the forces of nature.

Throughout the years, various components were added to the Delta Works system, each serving a unique purpose. The initial focus was on strengthening the coastal defenses, with the construction of dams and barriers to block the entry of seawater. Later, the project expanded to include river defenses, with the aim of regulating water flow and preventing inland flooding.

One of the most iconic structures of the Delta Works is the Eastern Scheldt Storm Surge Barrier. This imposing barrier, completed in 1986, consists of movable gates that can be closed during storms to protect the vulnerable estuary. The decision to install movable gates instead of a fixed barrier was made to preserve the delicate ecological balance of the area.

Over the years, the Delta Works has proven its effectiveness in preventing flooding and protecting the land. The construction of this monumental system has not only saved countless lives but has also bolstered the economy and allowed for further urban development in low-lying areas across the Netherlands.

The Netherlands Delta Works stands as a remarkable testament to the ingenuity, resilience, and determination of the Dutch people. It showcases their ability to harness engineering prowess and adapt to the challenges posed by a changing climate. The Delta Works is not only a physical infrastructure project but also a symbol of the Dutch spirit and their commitment to maintaining a safe and prosperous homeland.

Design and Construction of the Delta Works

The design and construction of the Netherlands Delta Works required innovative engineering solutions and meticulous planning. The project involved a combination of traditional construction techniques and cutting-edge technologies to create a comprehensive system that could withstand the powerful forces of nature.

One of the key design principles behind the Delta Works was the concept of “closing-off” vulnerable areas during storms and high tides. This involved the construction of dams and barriers to block the entry of seawater and prevent flooding. These barriers were strategically placed at strategic locations along the coast, such as the Eastern Scheldt, Grevelingen, and Haringvliet estuaries.

The construction of these barriers required careful consideration of various factors, including tidal forces, wave height, sedimentation, and ecological impact. Extensive studies and simulations were conducted to determine the optimal design and placement of the barriers to achieve maximum effectiveness.

One of the most remarkable aspects of the Delta Works is the use of movable barriers. Instead of constructing fixed barriers, which would obstruct water flow and disrupt the delicate balance of the ecosystem, the Delta Works incorporated innovative solutions, such as storm surge barriers with movable gates.

These movable barriers operate on a principle similar to that of a drawbridge. During normal tides and calm weather, the gates remain open, allowing water to flow freely. However, when storms or high tides are anticipated, the gates can be closed to create a solid barrier, effectively preventing the entry of seawater and protecting the vulnerable areas.

Construction of the Delta Works involved the use of various materials, including reinforced concrete, steel, and rock. Each component of the system was meticulously designed and built to withstand the immense pressures and forces exerted by the North Sea and major rivers.

The construction process was a collaborative effort involving engineers, architects, hydrologists, construction workers, and other specialists. Advanced techniques and machinery were used to carry out offshore and onshore construction, including the creation of artificial islands, excavation of waterways, and installation of barriers and gates.

The complexity and scale of the Delta Works required a significant investment of both time and resources. The project spanned several decades, with new components being added over time to enhance the system’s effectiveness. Despite the challenges and obstacles faced during construction, the Dutch displayed remarkable perseverance and determination to see the project through.

The completion of the Netherlands Delta Works marked a significant milestone in the country’s history. It not only provided protection against flooding but also showcased the Dutch expertise in water management and engineering.

Components of the Delta Works

The Netherlands Delta Works comprises a series of interconnected components designed to protect the low-lying regions of the country from flooding and erosion. These components work in tandem to regulate water flow, control tides, and prevent the entry of seawater into vulnerable areas. The key components of the Delta Works include:

• Storm Surge Barriers: These are massive barriers designed to block storm surges and prevent flooding during extreme weather events. The most iconic storm surge barrier is the Eastern Scheldt Storm Surge Barrier, which consists of movable gates. When closed, these gates create a solid barrier against storm surges, but they can be opened during normal conditions to allow for tidal flow and preserve the delicate balance of the ecosystem.
• Dams and Floodgates: These structures are strategically placed to control water levels and protect the inland regions of the Netherlands. The Maeslantkering, for example, is a movable storm surge barrier located in the Nieuwe Waterweg near Rotterdam. It consists of two arms that can be closed during storm events to prevent the entry of seawater into the city.
• Sea Dikes: These are long embankments constructed along the coast to act as barriers against high tides and storm surges. They provide the first line of defense against flooding from the sea. The Delta Works system includes several sea dikes, such as the Westkapelle dike, which protects the western part of the Walcheren peninsula.
• Polders: Polders are low-lying tracts of land that have been drained and enclosed by dikes. These areas are protected from flooding by a network of canals, pumps, and water control gates. The Delta Works include numerous polders, such as the Beemster Polder and the Zuidplaspolder, which rely on an intricate system of water management to maintain optimal water levels.
• Spillways and Bypasses: In addition to coastal defenses, the Delta Works also incorporate measures to regulate water flow in major rivers. Spillways and bypasses are constructed to divert excess water during periods of heavy rainfall or snowmelt. These structures ensure that the river levels do not rise to dangerous levels and prevent inland flooding.

Each component of the Delta Works plays a vital role in maintaining the safety and integrity of the low-lying regions of the Netherlands. They work together to create a comprehensive system that has successfully protected the country from flooding and erosion for decades.

Function and Importance of the Delta Works

The Netherlands Delta Works serves a critical function in safeguarding the low-lying regions of the country from the constant threats of flooding and erosion. The system’s primary purpose is to control water levels, regulate tidal flow, and prevent the entry of seawater into vulnerable areas. The function and importance of the Delta Works can be summarized as follows:

• Flood Protection: The Delta Works provide unparalleled protection against flooding, a constant threat faced by the Netherlands due to its low-lying geography. By strategically placing barriers, dams, floodgates, and dikes, the system is capable of withstanding high tides and storm surges, preventing catastrophic flooding and the loss of lives and property.
• Erosion Control: The Delta Works also play a vital role in combating erosion along the coast and major river systems. Coastal dunes, dikes, and sea barriers act as protective barriers against erosion caused by waves and currents, preserving the integrity of the land and preventing valuable soil from being washed away.
• Water Management: The Delta Works system helps manage the complex water dynamics in the Netherlands. It regulates water levels, controls tides, and diverts excess water during periods of heavy rainfall or snowmelt. This ensures that the land remains at an optimal water level, which is crucial for agriculture, urban development, and maintaining a healthy ecosystem.
• Economic Stability: The Delta Works have played a significant role in bolstering the economic stability of the Netherlands. By protecting valuable agricultural land, urban areas, and critical infrastructure, the system allows for sustained economic activities and urban development in low-lying regions. It has also contributed to the growth of industries such as tourism, as visitors come from all over the world to witness and learn about this remarkable engineering achievement.
• National Pride and Identity: The Delta Works stand as a symbol of Dutch resilience, innovation, and expertise in water management. This architectural marvel showcases the country’s commitment to confronting the challenges posed by a changing climate. The Delta Works have become an integral part of the national identity and a source of pride for the Dutch people, who have turned adversity into an opportunity for growth and progress.

The function and importance of the Netherlands Delta Works cannot be overstated. This remarkable system has not only protected the country from the devastating impacts of flooding and erosion but also ensured the sustainable development and prosperity of the low-lying regions. It serves as a testament to human ingenuity, engineering excellence, and the unwavering spirit of the Dutch people.

Impact on the Environment

The construction and operation of the Netherlands Delta Works have had both positive and negative impacts on the environment. While the primary goal of the Delta Works is to protect the land and its inhabitants, it is important to consider the ecological consequences of such a massive infrastructure project. The impact on the environment can be summarized as follows:

• Ecological Disruption: The installation of barriers and flood control measures has resulted in the alteration of natural water flow patterns. These changes can disrupt the habitats and migration patterns of various species, especially in estuaries and river systems.
• Marine Life: The construction of storm surge barriers and the restriction of tidal flow can affect the biodiversity and dynamics of marine ecosystems. The Eastern Scheldt Storm Surge Barrier, for example, impacts the distribution of saltwater and the movement of fish and other marine organisms.
• Sedimentation: The Delta Works can interrupt the natural process of sedimentation, where sand and sediment are transported and deposited along the coast. This may result in erosion in certain areas and potentially affect the stability of the coastline.
• Water Quality: The regulation of water flow and the restriction of tidal exchange can influence the water quality in certain areas. Changes in water circulation patterns can impact the distribution of nutrients and the overall ecological balance.
• Adaptive Measures: The Dutch government has implemented various adaptive measures to mitigate the environmental impact of the Delta Works. These include the creation of compensatory nature reserves, the establishment of fish migration channels, and the use of environmentally friendly construction techniques.

It is important to note that the environmental impact of the Delta Works has been extensively studied, and efforts are continually made to find a balance between flood protection and ecological preservation. The Dutch government actively monitors and manages the ecological effects to ensure the long-term sustainability of the Delta Works and the surrounding ecosystems.

The Delta Works is a prime example of the complex relationship between human development and environmental conservation. It demonstrates the ongoing challenge of reconciling the need for infrastructure and protection with the preservation of natural ecosystems. The careful management and adaptation of the Delta Works are essential in minimizing environmental impacts and ensuring a harmonious coexistence between humans and nature.

Visiting the Delta Works

Visiting the Netherlands Delta Works is a unique opportunity to witness firsthand the engineering marvels that have protected the country from flooding and erosion. The Delta Works offer a range of educational and recreational activities for visitors, allowing them to learn about the system’s history, design, and environmental significance. Here’s what you need to know to plan your visit:

1. Information Centers: Start your visit by exploring the various information centers located near the Delta Works. These centers provide interactive exhibits, educational displays, and informative presentations that explain the complexities and importance of the system. They offer valuable insights into the engineering techniques used and the ecological considerations involved in the project.

2. Guided Tours: Joining a guided tour is highly recommended to fully appreciate the Delta Works. Knowledgeable guides will lead you through the different components of the system, explaining their functions and answering any questions you may have. These tours often include visits to the various barriers, dams, and floodgates, providing a unique opportunity to witness their impressive scale and operation.

3. Breathtaking Views: Take a moment to soak in the breathtaking views from designated observation points. From these vantage points, you can witness the vastness of the structures and the immense power of the surrounding water. It is a truly awe-inspiring experience that allows you to appreciate both the engineering prowess and the natural beauty of the Delta Works.

4. Cycling and Walking Routes: The Delta Works region offers a network of cycling and walking routes that allow visitors to explore the area at their own pace. The well-maintained paths take you along the water’s edge, past dikes, and through scenic landscapes. Along the way, you can stop at designated viewpoints and learn about the local flora, fauna, and historical landmarks.

5. Environmental Learning: The Delta Works also offer educational programs and workshops aimed at raising awareness about the importance of water management and environmental preservation. These programs are designed for both children and adults, and they provide hands-on activities and engaging presentations to deepen your understanding of the Delta Works and its impact on the environment.

6. Nearby Attractions: While visiting the Delta Works, you can also take the opportunity to explore the surrounding area. The region is dotted with charming coastal towns, picturesque beaches, and nature reserves. Don’t miss the chance to sample delicious local seafood, visit historical landmarks, or simply take a leisurely stroll along the coast.

Remember to check the official Delta Works website for updated visitor information, tour schedules, and any special events or exhibitions happening during your visit. Admiring the Delta Works up close is an experience that will leave you with a profound appreciation for human ingenuity, the power of nature, and the delicate balance between the two.

The Netherlands Delta Works stands as a testament to the resilience, ingenuity, and determination of the Dutch people. This remarkable system of dams, barriers, and storm surge barriers has successfully protected the low-lying regions of the country from the constant threats of flooding and erosion. It is a marvel of engineering and a symbol of the Dutch commitment to water management.

The history, design, and construction of the Delta Works showcase the Dutch expertise in harnessing the power of technology to confront the challenges posed by a changing climate. The system’s components, such as storm surge barriers, dams, sea dikes, and polders, work in harmony to regulate water flow, control tides, and protect the land from inundation.

The Delta Works not only provide flood protection but also play a vital role in maintaining the economic stability and prosperity of the Netherlands. They ensure the safety of valuable agricultural land, urban areas, critical infrastructure, and valuable ecosystems. The system is a testament to the intrinsic connection between water management and sustainable development.

Visiting the Delta Works offers a unique opportunity to witness the impressive scale and complexity of the system. Through interactive exhibits, guided tours, and breathtaking views, visitors can learn about the history, environmental impact, and engineering marvels of the Delta Works.

While the Delta Works have had some environmental effects, measures are continuously taken to minimize the impact and ensure the long-term sustainability of the ecosystem. The Dutch government’s commitment to adaptive management and ecological preservation demonstrates the country’s dedication to finding a balance between infrastructure and environmental conservation.

In conclusion, the Netherlands Delta Works stands as a testament to human innovation and adaptability in the face of adversity. It is not only a remarkable engineering achievement but also a symbol of the Dutch resilience and their ability to thrive in a challenging environment. The Delta Works will continue to serve as a source of inspiration and pride for generations to come.

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What to know for a visit to the Delta Works

The Delta works (Deltawerken) is what has made The Netherlands world famous in the water management world. They’re one of the landmarks of The Netherlands. It’s possible to visit the Delta works in The Netherlands. Below I will share some history, a few facts and how to visit the Delta works Netherlands. The Deltawerken are in the Southwest of The Netherlands.

A short history of the Delta Works

Watersnoodramp.

In 1953 the Watersnoodramp (North Sea flood of 1953) happened, which was a combination of high spring tide and a storm tide. This caused extensive flooding in The Netherlands, UK and Belgium. There were 1836 deaths in The Netherlands and lots of property damage. The Watersnoodramp had  a large impact on the Dutch people and is still part of the educational program in schools.

Never again

The Deltawerken Nederland were the Dutch answer to make sure such a disaster would never happen again. The Delta works in Holland is an extensive defense system against high water from the sea, consisting of 6 dams, 3 locks and 5 storm surge barriers. They protect the province of Zeeland, the south of Zuid-Holland and Noord-Brabant. So basically the southwest part of The Netherlands.

The building of the first part started in 1954 with the storm surge barrier Hollandse Ijssel and was done in 1997 with the completement of the Maeslantkering. It took decades to build the Delta works Zeeland and the other provinces, since it had to be done well and it would have an effect of lots of parties. The fishing industry, the population on the islands, the shipping industry and the environmental and nature movements. Since water would change from salt to sweet, going from having tides to being stagnant and ships being able to come further inland.

Delta works facts

The American  Society of Civil Engineers have called the Deltawerken one of the 7 modern world wonders. The coastline was brought down from 700 kilometers to 80 kilometers because of the dams.

The different parts of the Delta works

There are 14 parts compromising the whole Delta Works The Netherlands:

• Hollandse Ijsselkering;
• Bathse Spuisluis;
• Grevelingendam;
• Zandkreekdam;
• Veerse Gatdam;
• Oosterscheldekering;
• Brouwersdam;
• Haringvlietsluizen;
• Maeslantkering;
• Hartelkering;
• Volkeraksluizen;
• Philipsdam;
• Krammersluizen.

The Oosterscheldekering and Maeslantkering are internationally the most famous. In The Netherlands most people think firstly of the Oosterscheldekering, when thinking about the Deltawerken Zeeland.

Maeslantkering

The last large project of the Delta works. It consists of 2 large  moveable arms of each 237 meters in length. Both arms together can close off the Nieuwe waterweg (New waterway). This way the area around Rotterdam is protected against high water from the North Sea, but the shipping industry doesn’t suffer from a complete closure.

Deltawerken Oosterschelde

The Oosterscheldekering is the largest storm flood barrier in the world. Before the storm surge barrier was built the chance of a flood was once in 80 years, now it’s less then once in 4000 years.

The building of the stormvloedkering (storm flood barrier) started in 1979. Originally the whole of the Oosterschelde would be closed off from the sea, but after protests they changed it to a half open stormvloedkering with sliding doors. The Oosterscheldekering was the most comprehensive of all the barriers of the Deltaplan, completed in 1986.

Before 1979 the shallow parts in the Oosterschelde were already turned into island: Neeltje Jans, Roggenplaat and Noordland. Neeltje Jans became the working island from which and on which all the work was carried out. In between the island 3 streaming channels came to be, these were called de Hammen, Schaar van Roggenplaat and Roompot. The barrier exists out of 65 pillars and 62 slides in between them.

The barrier is closed with a hydraulic system and can be closed in 75 minutes. It’s 8 kilometers in length and closes of the whole of the Oosterschelde. The Oosterscheldekering will be closed when the water is on or above 3 meters N.A.P. It stands for Normaal Amsterdams Peil, which is the same as the average sea level.

The storm flood barrier has been closed 27 times since 1986.

How to experience the Delta works Holland

Experience the Delta works while driving by car, on bike or walking. There was an official Delta works route, but it isn’t offered anymore. But you can still make the route yourself, because it’s perfect for road trips . Or you can make road trips on which you can see some of the Delta works, such as the tulip route Goeree-Overflakkee . Most dams and barriers have roads over/on them.

You can also experience the Delta works from the water with a boat tour. Frisia rondvaarten and others offer one on the Oosterschelde, from which you can see the Oosterscheldekering and more. The Oosterschelde is a national park. We have done a tour with Frisia, which is fun, but we would have loved to come even closer to the Delta works.

Deltapark Neeltje Jans is a perfect way to visit the Oosterscheldekering with kids. The former work island is now a theme park, with lots to learn about the Watersnoodramp, the Deltawerken and the animals from the North Sea and Oosterschelde. Next to that they have things like a waterslide and shows.

There’s a movie being played about the building of the stormvloedkering, a Watersnoodramp experience and you can visit the storm surge barrier from the inside.

Neeltje Jans also has boat tours to see the Oosterscheldekering from the water.

Paul and I have been to the deltapark in 2004, before Yuri was born. We loved the experience of getting up close to the stormvloedkering.

So here’s all you need  to know for a visit to the Deltawerken from one to several days. You can even make a road trip.

When you want to see more of The Netherlands look at a visit to the Hertog Jan Brewery or drive the flower route . When in search of a campsite check out these campsites in The Netherlands .

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12 comments.

This is pretty amazing. I heard about the flood project being worked on years ago but never knew much about it. Quite an impressive engineering feat.

Yes, it’s really impressive. I love going to the Oosterscheldekering when we’re around that area and just drive over it.

Cindy Ladage

This is so fascinating we saw some of this on a visit years ago and were so impressed by this ingenuity!

Love that you visited part of it. It’s one of the landmarks of The Netherlands.

Rob + Ann @TravelLatte

That is very impressive engineering! It’s always amazing to see the history, and the work that goes into massive projects like that. Thanks for sharing!

Yes, love finding out about all the history about a place.

Lisa | Handmade in Israel

Not on the normal list of places to visit, but how interesting! I grew up in Hull, UK where we also have a tidal barrier to stop the city flooding, but nothing like the size of these.

The tidal barrier in Hull, also looks impressive. Would love to see it.

I had no idea! Such an interesting attraction – I’m pleased you included some history about the flooding as it was all new (but not surprising, given the geography) to me.

Glad I could introduce you to something unique from The Netherlands.

This sounds like it’s a very interesting historical site to visit for a day or two. I would enjoy going on a road trip around the area!

I learned about the Delta Works at college in 1982-3, and visited the area in November 1988. It seems that there is more information, and more tourist facilities. available now. Or perhaps I was just concentrating more on keeping warm and dry while watching birds back then!

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Delta Works

The Delta Works, consisting of 13 sections, together form the largest flood protection system in the world and are definitely worth a visit. This imposing project, also referred to as one of the seven wonders of the world, illustrates how the Dutch deal with water. Furthermore, they lie in a gorgeous environment with wonderful beaches, beautiful nature and many culinary spots.

• Discover the Eastern Scheldt Storm Surge Barrier and the Maeslant Storm Surge Barrier, impressive components of the Delta Works.
• Visit Neeltje Jans and learn about the Delta Works and the night of the North Sea Flood of 1953.
• Expedition Delta: download the Zeeland app with routes and info discover the Delta Works by bicycle.

Impressive components of the Delta Works

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What can you do at the Delta Works?

The Delta Works – incorporating among others a storm surge barrier, dikes, dams and sluice gates – have much to offer for everyone who wishes to see how the Dutch deal with and protect themselves against the waters. The main attraction of the Delta Works is the Eastern Scheldt Storm Surge Barrier , a unique flood protection construction of 9 kilometers in length, that can shut off the entire Eastern Scheldt in 80 minutes. This ingenious system of 62 enormous sliding gates is meant to prevent a disastrous flood like the one in 1953. The gates are open during normal weather, preserving the marine tide nature and allowing delicious oysters to still be cultivated and Eastern Scheldt lobster to still be caught today.

But the Maeslant Storm Surge Barrier, the last component of the Delta Works located in the neighboring province of South Holland, is definitely worth a visit as well. Its large ‘arms’ – consisting of floating pontoons – can be filled with water to make them sink and form a solid barrier. In short, it’s a spectacular project that to this day protects the densely populated area around Nieuwe Waterweg and Het Scheur waterways in the Hook of Holland.

Watch this video: Delta Works

Neeltje Jans and the Brouwersdam

Deltapark Neeltje Jans, a water theme park on an island in the middle of the Eastern Scheldt Storm Surge Barrier, is a place where you can enjoy gorgeous nature, culture and technology. You can also visit the Delta Experience there, where you will learn everything about the notorious North Sea Flood of 1953. It’s an absolute must-do when visiting the Delta Works. Other highly recommended activities are a visit to National Park Oosterschelde or the Brouwersdam, where you can enjoy beautiful nature and the beaches of Grevelingenmeer lake.

Experience Route Expedition Delta

5 storm surge barriers, 2 locks, 6 dams. The Expedition Delta brings the stupendous Delta Works to life. Explore part of the Delta Works or all of the 214-km route by bicycle! Had a great time breathing the fresh sea air? Conclude your day at one of Zeeland's great restaurants.

More information about the Delta Works can be found at the website of Zeeland Visit .

Where to go for good food at the Delta Works

Oysters, Eastern Scheldt lobster and mussels: the waters around the Delta Works offer all the necessary ingredients to make excellent dishes. At Beachclub Perry (Brouwersdam 1, Scharendijke ), you can enjoy a delicious lunch or dinner with a gorgeous view. If you’re in the mood for something exclusive, De Kromme Watergang ** (Slijkplaat 6, Hoofdplaat) offers dishes at Michelin star level. And if you’re in the area of Neeltje Jans, be sure to try the excellent mussels of Proef Zeeland (Faelweg 1, Vrouwenpolder).

More in the area

Anyone going to admire the Delta Works in Zeeland would do well to also visit centuries-old Zeeland towns like Middelburg , Zierikzee or Goes, where you can enjoy the true atmosphere of Zeeland. A visit to Holland’s oldest city, Dordrecht, is also highly recommended, and we advise all nature lovers to take a look in National Park De Biesbosch , a unique freshwater tidal area with very special plants and wildlife. The area around the Delta Works also offers various cycling routes past water works, through gorgeous nature and historic towns that are absolutely worth your while.

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Delta Works

• 1 Understand
• 2.1 Public transit
• 3 Get around
• 4.1 Visitor centres and viewing points
• 6 Eat, drink, and sleep
• 7.1 Zuid-Holland
• 7.2 Zeeland
• 7.3 Noord-Brabant

<a href=\"https://tools.wmflabs.org/wikivoyage/w/poi2gpx.php?print=gpx&amp;lang=en&amp;name=Delta_Works\" title=\"Download GPX file for this article\" data-parsoid=\"{}\"><img alt=\"Download GPX file for this article\" resource=\"./File:GPX_Document_rev3-20x20.png\" src=\"//upload.wikimedia.org/wikipedia/commons/f/f7/GPX_Document_rev3-20x20.png\" decoding=\"async\" data-file-width=\"20\" data-file-height=\"20\" data-file-type=\"bitmap\" height=\"20\" width=\"20\" class=\"mw-file-element\" data-parsoid='{\"a\":{\"resource\":\"./File:GPX_Document_rev3-20x20.png\",\"height\":\"20\",\"width\":\"20\"},\"sa\":{\"resource\":\"File:GPX Document rev3-20x20.png\"}}'/></a></span>"}'/> The Delta Works (Dutch: Deltawerken ) are a series of flood protection structures built between 1950 and 1997 in the southwest of the Netherlands , to protect a large area of land around the Rhine-Meuse-Scheldt delta from the sea. The works consist of dams, sluices, locks, dikes, and storm surge barriers. Along with the Zuiderzee Works , they have been declared one of the Seven Wonders of the Modern World by the American Society of Civil Engineers.

The estuaries of the Rhine, Meuse and Scheldt have been subject to flooding for centuries. After construction of the Afsluitdijk in the north of the country completed in 1933, the Netherlands started studying the damming of the Rhine-Meuse Delta. Plans were developed to turn the delta into a group of freshwater lakes. New dams, sluices, and storm surge barriers would be built to shorten the coastline, thus reducing the number of dikes that had to be raised. Due to indecision and World War II, little progress was made. In 1950 two small estuary mouths, the Brielse Gat near Brielle and the Botlek near Vlaardingen were dammed. Then the flood of 1953 ( Watersnoodramp ) took place. In the night of Saturday 31 January 1953 and the morning of 1 February 1953, a heavy storm caused a storm tide. Nearly 2,000 people died in the flood and there was widespread property damage, mostly in the province of Zeeland.

As a result, the Delta Works Commission was installed to research the causes and develop measures to prevent such disasters in future. They revised some of the old plans and came up with the Deltaplan . The plan consisted of blocking the estuary mouths of the Oosterschelde, the Haringvliet and the Grevelingen. This reduced the length of the dikes exposed to the sea by 700 km (430 mi). The mouths of the Nieuwe Waterweg and the Westerschelde were to remain open because these were used as important shipping routes to the ports of Rotterdam and Antwerp . The dikes along these waterways were to be heightened and strengthened. New road and waterway instructure would be built alongside the Deltaworks to stimulate the economy of Zeeland and improve the connection between the ports of Rotterdam and Antwerp.

Plans for a coastline construction had been suggested long before, and small steps had been taken, but it was the 1953 flood that led to the rapid development of the Delta Works. With the Delta Works in place, disastrous floods like the one in 1953 should occur no more than once every 4,000 years. In total, the Delta Works are the largest storm barrier in the world and have served as an example to many similar projects all over the world.

The Delta Works consists of structures that are scattered over Zeeland and South Holland . To explore them, you can stay the night in Rotterdam or one of the other larger destinations in area, hire a car there and then drive out to some of these structures, while also taking in some of Zeeland's endless flat vistas. The Oosterscheldekering and the Maeslantkering are the most interesting attractions to visit, and while driving, you can lay out a route over some of the other dams and dykes.

To go directly to the Deltapark Neeltje Jans, coming from the Randstad , take either the Rotterdam-Beneluxtunnel or the Brienenoordbridge. Then, take direction Zierikzee over the A15-A29-N59. After Zierikzee follow direction Burgh-Haamstede and take exit Westenschouwen/Middelburg (N57). You should follow the signs towards Neeltje Jans and then the signs to Deltapark. The N57 is one of the main roads, connecting several of the dams and leading along the Deltapark Neeltje Jans. If you're using a navigation system to get to the Deltapark, set it on "Faelweg, in Vrouwenpolder".

Public transit

The Deltapark is well-reachable by public transport in summer, but there are limited services in winter. Take a train to Middelburg and from there, take bus line 133 . The whole trip should take 2 to 2½ hr one way, from Rotterdam.

It's possible to drive over the Delta Works by car, to get an idea of the massive nature of the structure. At the Haringvliet Expo and Deltapark Neeltje Jans you'll find all kinds of information about the different elements of the construction and it's possible to see part of the dams from the inside.

Visitor centres and viewing points

• 51.82633 4.0442 2 Expo Haringvliet , Haringvlietplein 3, Stellendam , ☏ +31 187 499-913 . This is mainly a nice place for having a drink while getting the best view over the Haringvlietdam. You can also see a film and some pictures about the 1953 flood. €5 .  

The fourteen works below are rarely in action, which in itself is a good thing. They are most often only active during storms. The first time the five major works were closed was January 3, 2018. In January 2018, the requirements for closing the weirs and dams were lowered to keep the Delta Works from rusting away and being able to be used when another extreme tide comes along. The listings below are sorted in chronological order of completion.

• Walk or cycle up to the Oosterscheldekering, especially when it's very windy (7 bft or more).
• Spend a day at the Deltapark Neeltje Jans. Especially with kids, there're plenty of fun activities around to fill a day's out. Watch an earless seal show at the park, or even join the animals for a swim. It takes a serious fee or €55, but swimming (under professional guidance) with the seals in the park is a pretty special experience. For an even bigger thrill, opt for a swim session with the sharks.
• At the Deltapark, you can hop on a boat for a seal-spotting trip through the neighbouring Oosterschelde National Park.
• The Oosterschelde National Park has many dive sites [ dead link ] , amongst which are Gorishoek/De Punt, Wemeldinge, Goese Sas derde breker, Stavenisse Keetenweg and Pijlers van de Zeelandbrug.

Eat, drink, and sleep

The visitor's centres are all meant as day trip destinations and there's no accommodation available in any of them. There's plenty of places to stay in the many towns, though. Renesse , Middelburg , Vlissingen and Hellevoetsluis are just a few of the most popular destinations in the region, and all have plenty of lodging and camping opportunities. Check the destination guides for individual listings.

The same goes for bars and restaurants, and for dinner your best option is to go to one of the towns. At the Haringvlietdam and in Deltapark Neeltje Jans, however, there are restaurants that serve lunch. Plates may include mossels (mussels), which are harvested from the Oosterschelde.

• Zoet of zout , Haringvlietplein 3, Stellendam , ☏ +31 187 499-913 .  
• Restaurant Deltapark Neeltje Jans , Faelweg 5, Vrouwenpolder ( In the Deltapark ). The theme park restaurant has a nice view and serves simple but good lunch dishes. On request, they cater (also dinner) for larger groups of 20 or more people.  

Nearby cities

Zuid-holland.

• Rotterdam — Modern harbour city, being bombed to oblivion in the Second World War, modern architecture and art are blooming in the city of Europort.
• Hook of Holland — The gateway to England, with ferries to Harwich and Kingston upon Hull , as well as a popular beachfront.
• The Hague — Political capital of the Netherlands, with attractions from Madurodam to the Binnenhof and Mauritshuis.
• Dordrecht — Historically one of the six important cities of the County of Holland.
• Zierikzee — Historical centre of Schouwen-Duiveland.
• Tholen — Two joined peninsulas disconnected from the mainland by the Scheldt-Rhine Canal.
• Middelburg — The capital city of Zeeland.
• Westkapelle — Famous seaside town that is a popular summer retreat for many.
• Terneuzen — Mostly industrious city on the exclave of Zeeuws-Vlaanderen.
• Het Verdronken Land van Saeftinghe — A demonstration of how Zeeland might have looked if it hasn't had the Delta Works: Saeftinghe once was a town that was completely washed away during a flood and instead of being reclaimed, it became a nature reserve.

Noord-Brabant

• Bergen op Zoom
• Afsluitdijk — A long dike separating the Wadden Sea from the IJsselmeer, which in itself was formed as a result of the completion of this dike. It connects North Holland to Friesland .
• Noordoostpolder — A gigantic polder reclaimed from the Zuiderzee in the 1930s.
• Flevoland — Noordoostpolder 2.0 with the additions of randmeren (edge-lakes) to not harm the already existing land.

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Netherlands Delta Works: One of the 7 Wonders of the Modern World (Travel Guide)

by Aileen Adalid Netherlands 8 comments

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When we visited Veere, a small city on the Walcheren Island of Zeeland in the Netherlands, we also took the chance to see the  Delta Works —one of the Seven Wonders of the Modern World (together with the Zuiderzee Works)!

…So what’s the Delta and Zuiderzee works?

Well, for centuries, the Netherlands has been constantly plagued with the problem of flooding during storms and it’s because of how most of its land  (near the coast) is below sea level and/or less than one meter above sea level. In order to put a stop to this, as well as to reclaim more land, they started two projects…

• Zuiderzee Works – a man-made system of dams, land reclamation, and drainage that turned the dangerous Zuiderzee , a shallow inlet of the North Sea, into the tame IJsselmeer , and created 1650 km² of additional land (that started in the 1920s)
• To shorten the Dutch coastline
• To protect the area around Rhine-Meuse-Scheldt from the North Sea especially after the widespread fatalities and deaths that happened after the ‘North Sea Flood’ of 1953

There are a LOT of technicalities and engineering terms involved here but the bottom line is that these two projects are majestic and grand— there’s a reason why they garnered a spot in the wonders of the world. But I guess, to really give you an idea about how impressive these ‘works’ are, I’ll let the photos below speak for themselves!

The Delta and Zuiderzee Works are located in various parts of the Netherlands; we obviously didn’t have the luxury of time to visit every spot, so we decided to check out one: the 9-km long Oosterscheldekering . Located between the islands Schouwen-Duiveland and Noord-Beveland , it is the largest of the 13 ambitious Delta Works series!

TRIVIA : The Oosterscheldekering is said to be the most difficult to build and the most expensive series of the Delta works. Apparently, they worked on this for more than a decade! (1976 to 1986)

You can choose to stop and park nearby to see more of the Oosterscheldekering up close , but you can also choose to just continue driving through the length of the highway.

But of course, we chose to stop by! My friend’s dad wanted us to see the barriers up close and of course, how could I say no to that?

We parked somewhere near Neeltje-Jans, an artificial island at one end that’s also used as an education center and a base for maintenance works. (This is the section on the bottom-right of the top-most image of this post. It’s totally free to park here and also free to get in on one of the nearby barriers.)

Below is the view from the parking lot:

TRIVIA : The Oosterscheldekering is sometimes referred to by the Dutch people as an eight wonder of the world (apart from how the whole of it, the Delta Works, as one of the seven wonders of the world.

We proceeded to walk up to the highway to get into one of the barriers… as we were walking up the path, I was already in awe. Sure they were old, but they were HUGE! My friend’s dad is an engineer so he launched into a short ‘tour guide’ spree as he gave us more information about these storm surge barriers (the other information I acquired below are from sources online and the education center).

• The dam is designed to last more than 200 years
• The pillars are 35 and 38.75 meters high, weighing around 18,000 tons
• The water levels must be at least 3 meters above regular sea level or else they will close the dam
• The gates/doors/shutters of the barriers take one hour to close
• The dam has been closed 25 times since 1986
• The cost of operation costs $17 million a year!

TRIVIA : The photo above shows a marker or line on a pillar of a barrier, showing how high the sea level was during the North Sea storm/flooding of 1953.

TIP : If you want to see another Delta Work, I suggest going to Maeslantkering .

It’s a beauty! Located at Hoek van Holland and the river Scheur, it is said to be one of the largest moving structures on Earth (rivaling the Green Bank Telescope in the USA and the Bagger 288 excavator in Germany) and the only storm surge barrier in the world that has large movable parts. As you can see below, it’s a set of two swinging ‘doors’ that are almost as long as the Eiffel Tower.

To add more ‘wonder’ into this structure, it functions automatically! A computer is connected to these barriers so whenever a storm surge is expected, the doors would float towards one another in order to close the waterway. They are then ‘flooded’ and this additional weight will make them sink; thereby turning them into a barrier.

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TIP: It’s a good idea to crosscheck the prices with other popular travel insurance providers like World Nomads and HeyMondo (as my reader, you get 5% off)! . However, take note a travel insurance’s affordability typically means lesser coverage; so please always ensure that you read the fine print in order to decipher which travel insurance company is the right fit for you and your trip!

Looking for more travel tips for the Netherlands?

Check out my other detailed Netherlands travel guides !

This was a really GREAT experience! It clearly shows how us, humans, have very astonishing abilities that we could come up with such amazing feats!

After seeing this, you bet that I am now on a mission of seeing the other 6 wonders of the modern world, namely: Channel Tunnel (between UK and France), CN Tower (Ontario – Canada), Empire State Building (New York), Golden Gate Bridge (California), Itaipu Dam (between Brazil and Paraguay), and Panama Canal.

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What a majestic feat of engineering! It’s such a shame the Philippines is too corrupted to ever come up with something like this… we need it!

I agree with you! Though we don’t have problems of flooding from the sea, we have problems of flooding from trash and poor waterway systems.

Wow! They built this for a purpose and now, it’s also a tourist attraction. They really have good urban planning since 1976! How I wish people here in the Philippine government can come up with something like that, and for long term use.

I wish the same too! This is such a majestic feat that helps stop flooding and we both know how Manila needs help from that (though of course our flooding is from trash, not from the sea so yeah; but still! It’s a problem that needs to be addressed)

Wow! This is amazing! If only our government is not so corrupt, we can also afford to build this kind of structure that will help us to stand more stronger to flood problems and other related disaster.

Indeed; but I guess our officials have other priorities which is of course themselves :/

It’s an amazing structure and I didn’t know it was one of the newest 7 wonders!

IT really was amazing! :D

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Delta Works Tour

Visit the Delta Works in The Netherlands. You’ll learn and experience the struggle against flooding from the sea. Who does not know the Dutch Delta Works: Dutchies are busy for already 50 years to strengthen the country and to protect it from water.

As an old proverb says: God created the world but the Dutch created The Netherlands. Almost 40% of the Netherlands lies below sea level. Floodings of sea and river water caused many victims as for example the 1953 flood disaster during which 1850 people were drowned. The struggle against the water was both defensive, manifest by many dikes and dams, and offensive, as is shown by the many land reclamation works from as early as the 14th century.

What is the Delta Works?

The Delta Works is a defense system in the Netherlands to protect against flooding from the sea, in particular the provinces of Zeeland, southern South Holland and North Brabant. The Dutch built decades to finish The Delta Works. The project was declared complete after the completion of the Oosterscheldekering (1986), The Maeslant Storm Surge Barrier (in 1997) and following the completion of the raising of the dikes to delta height (the Harlingen weir, in August 2010).

Big parts of the Delta works, particularly the Oosterschelde and The Maeslant Storm Surge Barrier, attract international attention. The American Society of Civil Engineers has declared The Delta Works as one of the seven modern wonders of the world.

The Maeslant Storm Surge Barrier is the last part of the Dutch Delta Works and is the world’s largest moveable barrier. This impressive construction cannot be described in words, only experienced. Near the Maeslantkering is The Keringhuis, Public Water Management Information Centre about flood risk management in the Province of Zuid-Holland and the impressive Maeslant Storm Surge Barrier. Here you can visit the exposition or go outside and get a hands-on-experience with pumps and sandbags in the water playground.

Famous Dutch Wind Mills

The Netherlands are famous not only for tulips and cheese, but also for the many wind mills. They were and still are an important part of the water management to keep the land dry and provide energy. All through The Netherlands, but especially in the Holland region, you can still find the old wind mills in the polder landscape. Some still working and others to preserve Dutch history. The windmills and waterways tell the tale of the Low Countries. Travel back in time and experience the story of windmills, water, and willpower!

Unesco World Heritage Kinderijk is a site with about 19 authentic windmills. 742 Years of Dutch watermanagement history and 15 out of the 19 windmills are still inhabited. When you visit Kinderdijk, you step right into the middle of Dutch history. Everything here lies below sea level, so to keep our feet dry, we have been cooperating with the wind and water for centuries.

Delta Works & Wind Mill Tour

Rotterdam Experience organises private (no regular) excursions to different parts of the Delta Works or windmills or a combination of both. These tours can include transportation (touring car, bike, boat), lunch, a guide, visit of the Maeslant Storm Surge Barrier and the Oosterschelde Storm Surge Barrier and much more.

These tours are a special experience you will never forget.

Interesting? For more information send us an mail [email protected] , call us at +31(0)6 498 69 004or fill in our contact form below.

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Delta Works Tour

The Delta Works, consisting of 13 sections, together form the largest flood protection system in the world and are definitely worth a visit. Experience this imposing project with a Delta Works Tour. Incorporating among others storm surge barriers, dikes, dams and sluice gates –, also referred to as one of the seven wonders of the world, the Delta Works illustrate how the Dutch deal with water. If Holland didn’t protect itself against the waters, half of Holland would be submerged. Furthermore, they lie in a gorgeous environment with wonderful beaches, beautiful nature and many culinary spots.

Visit the real Delta area in the south western part of Holland, about 120 km south west of Amsterdam. Enjoy a specialised tour at the East Scheldt or Maeslant Storm Surge Barrier, one of the largest moving structures on earth. Driving over impressive dams of the Delta works in the south west we enter the province (state) of Zeeland hit by a severe flooding in 1953, which caused 1850 lives.

Eastern Scheldt Storm Surge Barrier (Oosterscheldekering)

The Delta Works – incorporating among others a storm surge barrier, dikes, dams and sluice gates – have much to offer for everyone who wishes to see how the Dutch deal with and protect themselves against the waters. The main attraction of the Delta Works is the Eastern Scheldt Storm Surge Barrier, a unique flood protection construction of 8 kilometers in length, that can shut off the entire Eastern Scheldt in 75 minutes. This ingenious system of 62 enormous sliding gates is meant to prevent a disastrous flood like the one in 1953. The gates are open during normal weather, preserving the marine tide nature and allowing delicious oysters to still be cultivated and Eastern Scheldt lobster to still be caught today.

Deltapark Neeltje Jans, a water theme park on an island in the middle of the Eastern Scheldt Storm Surge Barrier, is a place where you can enjoy gorgeous nature, culture and technology. You can also visit the Delta Experience there, where you will learn everything about the notorious North Sea Flood of 1953.

Maeslant Storm Surge Barrier (Maeslantkering)

But the Maeslant Storm Surge Barrier, the last component of the Delta Works located in the neighboring province of South Holland, is definitely worth a visit as well. Its large ‘arms’ – consisting of floating pontoons – can be filled with water to make them sink and form a solid barrier. In short, it’s a spectacular project that to this day protects the densely populated area around Nieuwe Waterweg and Het Scheur waterways in the Hook of Holland.

Interested in private Delta Works Tour?

GO Experience can arrange tailor made tours to visit the Delta Works. Depending on your time and budget we make a program including transfers, private specialised guide(s), entrance tickets, a fitting lunch or dinner and more. The Delta Works can also be combined with a visit of Rotterdam or Unesco Kinderdijk Windmills . A drainage system consisting of 19 windmills (built around 1740), formerly used to keep the Alblasserwaard polder area dry.

For a request or more information, send an e-mail to [email protected] or fill out our contact form below.

Delta Works como destino de viagem

O Delta Works é composto por 13 seções que formam o maior sistema de proteção contra inundações no mundo e, definitivamente, vale a pena visitar. Este projeto imponente – incorporando entre outros uma barreira contra tempestade, diques, barragens e portões de esclusas – também conhecido como uma das sete maravilhas do mundo, ilustra como os holandeses lidam com a água. Se a Holanda não se protegesse contra as águas, metade do país estaria submerso. Além disso, estão localizados em um ambiente maravilhoso com belas praias, natureza e culinária.

A principal atração do Delta Works é a Barreira de Sobretensão da Escalda Oriental (Eastern Scheldt Storm Surge Barrier), uma construção única de proteção contra inundações de 8 quilômetros de extensão, que pode desligar todo o Scheldt Oriental em 75 minutos. Também o Maeslant Storm Surge Barrier outro local que vale a pena visitar. Os seus grandes “braços” – constituídos por pontões flutuantes – podem ser preenchidos com água para fazê-los afundar e formar uma barreira sólida. O Deltapark Neeltje Jans, um parque temático de água em uma ilha no meio da Barreira de Sobretensão do Estribal, é um lugar onde você pode desfrutar da natureza, cultura e tecnologia. Você também pode visitar a Delta Experience, onde aprenderá tudo sobre a Inundação do Mar do Norte de 1953.

For more information or a request, don’t hesitate to contact us. Mobile / Whatsapp: +31(0)6 498 69 004 E-mail: [email protected]

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• Delta Works

The flooding of the Netherlands in 1953 made it very clear how vulnerable the land and the people living there were. Therefore with a huge effort, the Delta Works project was made to create a new and better protection to make sure this would not happen again.

The Delta Works protects a large area of land around the Rhine-Meuse-Scheldt delta from the sea. Delta Works is a very complicated collection of locks, sluices, channels, bridges, slides, dams, dikes, storm surge barriers and gates working together.

The aim of the dams, sluices, and storm surge barriers was to shorten the Dutch coastline, thus reducing the number of dikes that had to be raised. This dam consists of several strings of gates and their massive supporting pylons which, in normal weather, allow tidal sea waters to ebb and flow in the Eastern Schelde estuary, thus benefiting the fish, bird life and the local fisheries.

The four great estuaries in the south-western Netherlands should be closed with dams. These closures should be done in a special order because of tidal movements of shipping and fishing, this guarantees for the economy of the country.

The piers and their mechanisms had to be lifted into precise positions in the estuary. But the type of equipment needed for such gargantuan and specialized tasks did not exist anywhere in the world; it had to be invented. The piers support 300- to 500-ton steel gates and their hydraulic machinery, as well as a roadway above and load-bearing beams below.

The Oosterscheldedam is on one of the two artificial islands situated in Zeeland, just an hour and a half driving distance from Amsterdam and half an hour from Dordrecht where the structure is located; it is a recommend for those interested in water management. Three kilometres long, this anti-tempest dam is constituted of 65 pillars between which one can slide 62 iron flood-gates.

The height of one pillar is 38 meter and its weight 18.000 tons. When the sea becomes dangerous, one hour is enough to lower the flood gates. This system affords to keep 75% of the tide amplitude as well as the fishing industry, the breed of mussels and oysters and above all, the unique eco-system of The Biesbosch.

One of the latest improvements of the Delta plan was the storm surge barrier in the New Waterway near Hoek van Holland built in 1997. It consists of two enormous doors mounted on swing arms that can be used to close the estuary if storm and high water requires in order protecting the country.

During the night of January 31, 1953, to force 12 north westerly windstorm pounded the coast of Zeeland. The weakened dikes, drenched with water, ultimately gave way, flooding the islands of Goeree-Overflakkee, Tholen and Schouwen-Duiveland. The result was disastrous 1835 fatalities, 100000 evacuees, and 200000 hectares of land under water.

After that a commission was installed which had to come up with a plan to research the causes and seek measures to prevent such disasters in future. They revised some of the old plans; the plans were made to connect the South Holland and Zeeland islands by dams.

The combination of these plans and dams was called the Delta Plan. The Dutch government unanimously accepted the Delta Act in 1958, thus laying the foundation for the Delta Works. In 1959, the Delta Law was passed, in order to organise the construction of the dams.

The dikes along these waterways were to be heightened and strengthened. The works would be combined with road and waterway infrastructure to stimulate the economy of the province of Zeeland and improve the connection between the port of Rotterdam and Antwerp.

The Delta Works consist of more than dams and dikes alone; locks are also needed for transporting high water to the Rhine. Therefore drainage locks have been built in the Haringvliet. These locks began operating in 1971 and have 17 openings, each 56.5 meters wide. The Brouwers Dam in the Brouwershaven Gat was completed in 1972.

Oosterschelde Flood Barrier was created to prevent the creation of too many freshwater areas in Holland, the flood barrier locks are usually kept open and only close during times of extremely high storm tides. This structure, one of the largest in the world, cost 5.5 billion guilders to build and was opened on October 4, 1986.

This project led to dangerous tides causing dangerous floods have been reduced, now are lovely areas to explore by boat. Some of the uncovered shores have become recreation parks. Many sandbars and shores, however, especially in the Oosterschelde, are part of an important nature reserve. It was the largest project of its kind anywhere in the world and took 30 years to build. It is known as the Delta Project.

Also See...

Delta Works

The Delta Works were the Netherlands’ answer to the Great Flood of 1953. They provide extra protection against extreme high tides, but they have also improved access to Zeeland, as well as created new nature reserves. Read more about the world-famous Delta Works.

The Great Flood and the Delta Works

In the night of 31 January and 1 February 1953, a massive storm brought devastation to parts of the Netherlands. These floods were caused by a severe north-westerly storm in combination with spring tides. Dykes burst and large parts of Zeeland were inundated by water. There were large numbers of casualties. The Delta Works were intended to make sure that no such disaster could happen again. They now form the largest network of defences in the Netherlands against flooding.

All of Zeeland’s Delta Works

The Delta Works consist of a system of storm surge barriers, locks and dams. In Zeeland you can find Zandkreekdam, Veerse Gatdam, Grevelingendam, Brouwersdam, Oesterdam, Oosterscheldekering , Bathse Spuisluis and Philipsdam. Read more about Zeeland’s Delta Works  below. Did you know that the Oosterscheldekering - or Eastern Scheldt storm surge barrier - is the largest of its kind in the Netherlands?

International acclaim

After the catastrophe, a specially formed Delta Commission drew up the so-called Delta Plan . The purpose of this plan was to prevent a disaster such as happened in 1953 ever again. The Delta Plan presented a formidable challenge to the hydraulic engineers of the day. The reduction in the length of the coastline through the closure of large estuaries with huge dams and moveable storm-surge barriers had never been done before. Likewise, the construction of such large and complex barriers was unique. The Delta Works put the Netherlands firmly on the international map as a leading hydraulic engineering nation.

Routes that follow the theme of the Great Flood

Tips for what to do.

Recreational cycle routes

Better access and new nature reserves

The Delta Works not only provide protection against the sea. By connecting up the islands of Zeeland and Zuid-Holland with the mainland, they also contribute to increased access. In addition, the Delta Works have helped create a number of areas of outstanding natural beauty. For example, the creation of Veerse Meer  (now a lagoon) as a result of Zandkreekdam and Veerse Gatdam being built.

Deltapark Neeltje Jans

At the centre of the Oosterscheldekering is the artificially created island of Neeltje Jans. Parts of the storm surge barrier were assembled on this small island. Now it has become a nature reserve with extensive beaches, offering magnificent views of the Oosterscheldekering and an area of dunes popular with many breeding birds. Deltapark Neeltje Jans is on the fringes of the island. This ‘theme park’ revolves around water and the Delta Works.

Watersnoodmuseum

If you would like to know more about the Delta Works, you should also plan a visit to the Watersnoodmuseum . The museum will explain everything about the events surrounding the Great Flood, the Delta Works and how we are currently dealing with rising sea levels.

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Dutch Delta Works tickets and guided tours

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The Netherlands private day trip to the Dutch Delta Works from Amsterdam

Explore the Dutch Delta Works on this private guided tour form Amsterdam. See one of the 7 modern wonders of the world and enjoy a relaxed tour.

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The inside story

Discover the world’s biggest storm surge barrier, located in the Netherlands Zeeland region, at the Delta Works. This enormous chain of flood protection structures were conceived following the North Sea flood of 1953 that led to 8,361 fatalities. After laying 13 dams, including barriers, sluices, locks, dikes and levees, the project was finished in 1997 and cost a total of 5 billion dollars. The completed infrastructure not only provides flood protection but also brings the surrounding areas fresh drinking water and irrigation.

The largest and best-known link in the Delta Works is the Eastern Scheldt Storm Surge Barrier - Oosterscheldekering. Following protests, the colossal 9 kilometers long barrier was redesigned as a dam with sliding gates to be closed during heavy storms or spring tides.

Situated halfway between Noord-Beveland and Schouwen-Duiveland in the Oosterschelde you’ll find the island of Neeltje Jans. This artificial land was originally fabricated to facilitate the construction of the Oosterscheldedam. Today visitors can visit the Deltapark Neeltje Jans on the isle to learn about the Delta Works in an underwater theme park. Children can play in the water playground and there is even a hurricane simulator!

How to get there

Private day trip about the Dutch Delta works and countryside

See how the country with the lowest sea level makes things happen.

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Explore the Dutch Delta works with this 10-hour day tour with a private guide. Visit The Delta Works, consisting of 13 sections, together form the largest flood protection system in the world! So it is no surprise that it is also referred to as one of the seven modern wonders of the world. The Delta Works show you how the Dutch deal with water in a country that lies largely under sea level.

• Explore the Delta Works, the largest flood protection system in the world.
• Visit Neeltje Jans at the center of The Delta Works.
• Enjoy a nice drive through the Dutch countryside.
• Private tour so everything is flexible and customizable.

Explore the surrounding area which lies in a gorgeous environment with beautiful beaches, peaceful nature and many culinary spots. And enter Neeltje Jan, which brings you the Delta experience , an educational attraction about the 1953 North Sea Flood with a panorama view of the day, and with film images and special effects. All the entrances are included with the tour. However there is much more to explore in this Delta theme park: Visit the whale expo , take a look at the seals and sea-lions, experience the hurricane machine and much more. We will make sure this will be an unforgettable day for you.

At the end of the day, the guide will drive you back to your hotel.

Everything is very flexible. If you want to customize the tour or have any questions feel free to contact us at: [email protected]

• Admission to Deltapark Neeltje Jan
• Private Transportation
• An air-conditioned vehicle
• Hotel pick-up and drop-off
• Food and drinks

For this tour we offer two variations depending on how many people you want to book for.

1-4 persons booking If you book for 1 up to 4 people, we’ll be travelling around with a sedan.

5-8 persons booking However, from 5-8 persons, we’ll be travelling with a mini-van.

9+ persons booking

Please contact us for a quote and more information.

Tour Reviews

Very impressive tour!! One of our highlights of our stay in Holland. How the Dutch deal with water is something a lot of other countries can learn from. This was a gift for my husbands birthday and we were very impressed by our guide Rob!!

We had incredible tours with Trigger Tours, covering the countryside and Delta works. I think that the Dutch Delta works is something most people visiting Holland have no idea about. Doing this tour we really learned how much technique is behind this and also saw some of the Dutch countryside. We also booked two walking tours with this company and every tour was exceptional. Unfortunately we forgot the guide her name but she was great!! This was our first time to the Netherlands, and we feel like we really connected with the country. We will be coming back.

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Delta Business Traveler program: How it works and how you can benefit from signing up

Delta Air Lines is known for business travel — it's earned the top spot in Business Travel News' annual airline survey for 13 years running. Now it's trying to broaden its presence in the space with a new program called Delta Business Traveler.

If you're familiar with Delta's existing SkyMiles for Business program (formerly SkyBonus), this isn't replacing it — in fact, the two programs are designed to complement each other. Here's everything you need to know about the new Delta Business Traveler program: who it's for, what perks it offers and how it works in tandem with SkyMiles for Business.

Related: What hotel loyalty program is best for business travelers?

What is the Delta Business Traveler program?

Delta describes Delta Business Traveler as a "complimentary offers program that provides individual business travelers with exclusive offers from both Delta and our partners." In short, it's aimed to serve business travelers who don't have a corporate travel arrangement with Delta or don't qualify to join SkyMiles for Business. It's designed for small-business owners, employees of small to midsize companies and corporate business travelers.

To join Delta Business Traveler, all you have to do is be a Delta SkyMiles member and identify as a business traveler. To sign up, head to this link . You'll need to enter your SkyMiles number and some information on your company and role, but there's no employer verification required.

Benefits of the Delta Business Traveler program

Delta Business Traveler rewards members with discounts, bonus miles and other perks at various partners. These include:

• Six months of complimentary Hertz Five Star Status and a faster track to President's Circle Status
• 3 additional bonus miles per dollar spent on Delta Stays and car rentals through the end of 2024
• A free month trial and discounted access ($99 per month) to Industrious' global network of over 200 premium workplaces with the Industrious x Delta Business Traveler Pass
• Special offers on vacation packages from Delta Vacations

The above benefits are listed on the Delta Business Traveler page. However, if you sign up for the program (which is free and took me about 10 seconds), a host of new offers will appear in your account. Mine include the following:

• A $250 sponsored job credit if I create a new employer account with Indeed
• A "unique offering" of annual protection plans from Allianz Travel Insurance
• A discount on an annual Clear Plus membership if I enroll by Dec. 31
• 20% off Someone Somewhere products like backpacks and totes
• 30% off a MasterClass membership

These offers may be targeted, so yours may look a little different.

As you can see, the program doesn't offer many rewards for actually flying Delta for business. What it does offer are discounts and perks on various travel purchases. These could be particularly helpful to business travelers who want to extend their stay after their meeting or conference by, for instance, booking a hotel or rental car on their own dime.

The program also provides benefits at work-related places like Industrious and Indeed, which may be useful to remote workers and small-business owners. Basically, for just $99 per month, you can rent an office space through Industrious' network of premium workplaces.

Related: Delta adds Hertz status for all Medallion elites, revamps earning structure for rentals

Delta Business Traveler vs. SkyMiles for Business

If you've heard of Delta's other business program, SkyMiles for Business, it's understandable if you're a little confused. Delta Business Traveler is a separate program designed to complement SkyMiles for Business by serving a different group of business travelers.

While Delta Business Traveler is designed for anyone who travels for work, SkyMiles for Business is geared for small and medium-size enterprises. To enroll , you must be a business or owner administrator of a company. You will be required to provide a valid tax identification number or value-added tax number, and you may need to show written proof of authorization from the company.

The basic member tier of SkyMiles for Business is open to all companies, regardless of size and annual revenue. This tier provides tailored offers from Delta and third parties, similar to Delta Business Traveler. It does not allow your business to earn SkyMiles , although individual employees will still earn miles on Delta and partner flights as SkyMiles members.

To reach the higher tiers, your company must have at least five unique employee travelers and spend at least $5,000 in eligible flight revenue every calendar year. If you meet these criteria, your company will earn SkyMiles on eligible flights taken by employees, while the employees will continue to earn miles on flights as they normally would.

As you can see, SkyMiles for Business is more rewarding for larger companies with at least five employees who travel and an annual spend of at least $5,000 on flights. Delta Business Traveler, on the other hand, is open to anyone who identifies as a business traveler, no matter how much or how little you travel.

Related: Delta Medallion status: What it is and how to earn it

Bottom line

Delta has reaffirmed its commitment to the business travel sector with its newest offering, Delta Business Traveler, which is accessible to anyone who travels for work. The program's benefits aren't groundbreaking, but it's free and easy to join. If you travel for work at all, it's worth enrolling in the program to see what kind of discounts and offers you may get.

Editorial disclaimer: Opinions expressed here are the author’s alone, not those of any bank, credit card issuer, airline or hotel chain, and have not been reviewed, approved or otherwise endorsed by any of these entities.

Delta Business Traveler program: How it works and how you can benefit from signing up

Delta Air Lines is known for business travel — it's earned the top spot in Business Travel News' annual airline survey for 13 years running. Now it's trying to broaden its presence in the space with a new program called Delta Business Traveler.

If you're familiar with Delta's existing SkyMiles for Business program (formerly SkyBonus), this isn't replacing it — in fact, the two programs are designed to complement each other. Here's everything you need to know about the new Delta Business Traveler program: who it's for, what perks it offers and how it works in tandem with SkyMiles for Business.

Related: What hotel loyalty program is best for business travelers?

What is the Delta Business Traveler program?

Delta describes Delta Business Traveler as a "complimentary offers program that provides individual business travelers with exclusive offers from both Delta and our partners." In short, it's aimed to serve business travelers who don't have a corporate travel arrangement with Delta or don't qualify to join SkyMiles for Business. It's designed for small-business owners, employees of small to midsize companies and corporate business travelers.

To join Delta Business Traveler, all you have to do is be a Delta SkyMiles member and identify as a business traveler. To sign up, head to this link . You'll need to enter your SkyMiles number and some information on your company and role, but there's no employer verification required.

Benefits of the Delta Business Traveler program

Delta Business Traveler rewards members with discounts, bonus miles and other perks at various partners. These include:

• Six months of complimentary Hertz Five Star Status and a faster track to President's Circle Status
• 3 additional bonus miles per dollar spent on Delta Stays and car rentals through the end of 2024
• A free month trial and discounted access ($99 per month) to Industrious' global network of over 200 premium workplaces with the Industrious x Delta Business Traveler Pass
• Special offers on vacation packages from Delta Vacations

The above benefits are listed on the Delta Business Traveler page. However, if you sign up for the program (which is free and took me about 10 seconds), a host of new offers will appear in your account. Mine include the following:

• A $250 sponsored job credit if I create a new employer account with Indeed
• A "unique offering" of annual protection plans from Allianz Travel Insurance
• A discount on an annual Clear Plus membership if I enroll by Dec. 31
• 20% off Someone Somewhere products like backpacks and totes
• 30% off a MasterClass membership

These offers may be targeted, so yours may look a little different.

As you can see, the program doesn't offer many rewards for actually flying Delta for business. What it does offer are discounts and perks on various travel purchases. These could be particularly helpful to business travelers who want to extend their stay after their meeting or conference by, for instance, booking a hotel or rental car on their own dime.

The program also provides benefits at work-related places like Industrious and Indeed, which may be useful to remote workers and small-business owners. Basically, for just $99 per month, you can rent an office space through Industrious' network of premium workplaces.

Related: Delta adds Hertz status for all Medallion elites, revamps earning structure for rentals

Delta Business Traveler vs. SkyMiles for Business

If you've heard of Delta's other business program, SkyMiles for Business, it's understandable if you're a little confused. Delta Business Traveler is a separate program designed to complement SkyMiles for Business by serving a different group of business travelers.

While Delta Business Traveler is designed for anyone who travels for work, SkyMiles for Business is geared for small and medium-size enterprises. To enroll , you must be a business or owner administrator of a company. You will be required to provide a valid tax identification number or value-added tax number, and you may need to show written proof of authorization from the company.

The basic member tier of SkyMiles for Business is open to all companies, regardless of size and annual revenue. This tier provides tailored offers from Delta and third parties, similar to Delta Business Traveler. It does not allow your business to earn SkyMiles , although individual employees will still earn miles on Delta and partner flights as SkyMiles members.

To reach the higher tiers, your company must have at least five unique employee travelers and spend at least $5,000 in eligible flight revenue every calendar year. If you meet these criteria, your company will earn SkyMiles on eligible flights taken by employees, while the employees will continue to earn miles on flights as they normally would.

As you can see, SkyMiles for Business is more rewarding for larger companies with at least five employees who travel and an annual spend of at least $5,000 on flights. Delta Business Traveler, on the other hand, is open to anyone who identifies as a business traveler, no matter how much or how little you travel.

Related: Delta Medallion status: What it is and how to earn it

Bottom line

Delta has reaffirmed its commitment to the business travel sector with its newest offering, Delta Business Traveler, which is accessible to anyone who travels for work. The program's benefits aren't groundbreaking, but it's free and easy to join. If you travel for work at all, it's worth enrolling in the program to see what kind of discounts and offers you may get.

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Delta Business Traveler

Offers to Elevate Your Work and Life

Work from anywhere, hertz five star® status and more, delta stays and car rentals, learn on the go, plan your next ooo, join for more, frequently asked questions, terms and conditions.

Eligibility: 

To participate in the Delta Business Traveler Program, you must be a SkyMiles Member, at least 18 years of age and a US resident, and enroll via  Join SkyMiles® (delta.com) . You must complete all fields of information in the enrollment form, including but not limited to the name of the company with whom you are currently affiliated (including self-employment) and title.   If you change employers during the course of your membership in the Delta Business Traveler Program, Delta will adjust your employer affiliation under the program based on recent travels with the new employer.

Delta reserves the right to terminate your membership in the Delta Business Traveler Program at any time if you violate the Delta Business Traveler Program Rules, any term or condition of Delta’s SkyMiles Membership Guide and Program Rules or contract of carriage, or any other Delta rule and regulation that apply to your travel (including individual offers, benefits, and partner programs).

Delta reserves the right to audit a Member’s account at any time and without notice to ensure compliance with the Delta Business Traveler Program (including individual offers, benefits, and partner programs).

Offers are subject to additional terms and conditions of each individual offer. Delta is not responsible for goods or services offered by companies participating in promotions.  Offer void where prohibited by law. Offer subject to change without notice. Other restrictions may apply.

All SkyMiles Program rules apply to SkyMiles Program Membership, miles, offers, mile accrual, mile redemption, and travel benefits. To review the rules, please visit delta.com/memberguide. 

Delta may change the Delta Business Traveler Program rules, change or terminate program partners, regulations, benefits, conditions of participation or mileage levels, in whole or in part, at any time with or without notice, even though changes may affect the value of offers already accumulated. This program may be terminated by Delta at any time, with or without notice.

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