Flooded streets and houses in Wieringerwerf after the April 1945 inundation

The Netherlands and water

Wieringermeer and the 1945 dyke breach

At Noorderdijkweg, the breach lakes, the curved repaired dyke and Dijkgatbos woodland are visible traces of the inundation of Wieringermeer in April 1945.

©

Photo: Willem van de Poll

Credit: Photo: Willem van de Poll / Nationaal Archief, via Wikimedia Commons, CC0 1.0

Licence: CC0 1.0

Changes: No changes.

View source

Why visit?

At Noorderdijkweg, the landscape itself reveals what happened in April 1945. The repaired IJsselmeer dyke makes a striking curve around two deep breach lakes. Behind it, Dijkgatbos woodland stands on sand deposited in the polder during the breach.

What can you see?

You see a cube-shaped monument, the curved line of the repaired dyke, two large breach lakes and Dijkgatbos woodland. The straight agricultural landscape around them contrasts sharply with the irregular pools, relief and trees. From the dyke, the IJsselmeer and the lower-lying Wieringermeer polder are visible at the same time.

Why is it special?

Wieringermeer is an exceptional example of land that had to be reclaimed from the water twice. Its first drainage was an important part of the Zuiderzee Works. The deliberate inundation of 1945 showed how vulnerable even a modern, carefully designed polder remained once its flood barrier was opened.

The story of this place

A young polder reclaimed from the Zuiderzee

Wieringermeer was the first major polder of the Zuiderzee Works. When the Lely and Leemans pumping stations drained the area in 1930, they created more than new agricultural land: an entire landscape was carefully designed. Roads, waterways, farms and villages had already been planned before the first residents arrived.

For many pioneers, the polder offered a new beginning. Here, the Netherlands demonstrated on a large scale that it could do more than hold back the water: it could create new land. Wieringerwerf, Middenmeer and Slootdorp rose from the former Zuiderzee. Farming families started again, children attended newly built schools and everyday life slowly developed along the straight roads in a place that had still been open water only a few years earlier. This made the events of April 1945 feel like an enormous reversal.

When the water returned

On 17 April 1945, residents were ordered to leave the polder. The German occupying forces blew up the IJsselmeer dyke at two locations. Water burst through the openings with enormous force and rapidly widened the breaches.

According to eyewitness accounts, straight roads and fields soon disappeared beneath one vast sheet of water. Farms became small islands and fifteen years of pioneering work seemed to vanish within two days. Almost the entire Wieringermeer was flooded, and many residents lost their homes, machinery, harvest and prospects. When they later returned, they found no familiar polder landscape, but an empty and damaged area where only roofs, trees and higher ground still rose above the water.

A second drainage

Recovery began almost immediately after liberation. Because the rushing water had scoured out deep breach lakes, the original dyke could not simply be repaired along its former straight line. Instead, a new dyke was built in a gentle curve around the pools. That bend remains clearly visible today.

Once the dyke had been closed again on 5 August 1945, the pumping stations resumed their work. On 11 December, Wieringermeer fell dry for the second time. A long process of repairing farms, roads, fields and villages followed. Residents had to rebuild not only their homes but their everyday lives as well. The fact that an entire polder was first reclaimed from the sea, then deliberately flooded and finally drained again makes this place unique in Dutch hydraulic history.

A landscape that preserves the story

Much of the sand deposited behind the dyke during the breach was left in place. Dijkgatbos woodland was later planted on this ground. As a result, an unexpected landscape of trees, relief, water and winding paths developed in the middle of the strictly planned agricultural polder. The two deep pools remain the scars of the dyke breach.

Today, a walk along Noorderdijkweg feels peaceful. Cyclists pass, birds skim the water and Dijkgatbos seems as though it has always been there. Only when you follow the curve in the dyke and notice the difference in height between the IJsselmeer and the polder does the history become clear. Wieringermeer tells not only a story of war and reconstruction, but also of a landscape reclaimed from the water twice. That makes it one of the most tangible combined water and wartime landscapes in the Netherlands.

Keep exploring

Discover more places shaped by the Dutch relationship with water

From dykes and reclaimed land to locks, polders and places where water continues to shape the landscape.

View all places within The Netherlands and water