Qualla: Dollart

Dollart: Introduction

Sat, 16 May 2026 00:00:00 GMT

Photo credit H.boedecker, CC BY-SA 3.0. On a still afternoon, when the tide is out and the mudflats stretch for kilometers toward Germany, the people of Reiderland will tell you that you can hear the bells ringing under the water. The story has been passed down for five hundred years. It refers to a specific event: the Cosmas and Damian flood of 26 September 1509, when a storm surge driven up the Ems estuary punched through the medieval dikes and drove the sea so far inland that, when it finally pulled back, twenty-four villages had simply ceased to exist. Earlier scholarship blamed a single catastrophic flood in 1277 or the Saint Marcellus flood of 1362 for the entire Dollart, but the truth was slower and crueler — peat dug for fuel, soil sinking, repeated surges over two centuries — and 1509 was just the loudest blow. By 1520, the bay covered an estimated 340 square kilometers. The Premonstratensian monastery of Palmar was gone. The villages of Oosterreide and Westerreide were gone. Fletum and Torum were gone. And in the silence afterward, somewhere offshore, the bells.

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Image: H.boedecker | CC BY-SA 3.0

Dollart: Where the Name Comes From

Sat, 16 May 2026 00:00:00 GMT

Photo credit Aike, CC BY-SA 4.0. Late fifteenth-century scribes from Aduard Abbey and the Groningen scholar Wilhelmus Frederici both noted the bay's name as Dollard or Dullert. The etymology is uncertain, and that has not stopped people guessing. One school traces it to Middle Dutch dole — a pit, a pool, a hole ...

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Image: Aike | CC BY-SA 4.0

Dollart: Reclaiming What the Sea Took

Sat, 16 May 2026 00:00:00 GMT

Photo credit Grundkarte NordNordWest, Relief Alexrk2, CC BY-SA 3.0. Almost as soon as the floods stopped expanding the Dollart, both Dutch and German farmers began pushing it back. The technique was the same on both sides of the border: build a dike just inside the salt marsh, wait for sediment to raise the protected land, dig drainage ditches, p...

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Image: Grundkarte NordNordWest, Relief Alexrk2 | CC BY-SA 3.0

Dollart: Birds and Mud

Sat, 16 May 2026 00:00:00 GMT

Photo credit Frank van Anken, CC BY-SA 3.0. What remains of the bay today is one of the most important migration stops on the East Atlantic Flyway. About 100 square kilometers of water and tidal flat sit at the head of the Ems estuary, more than half of it dry at low tide and rich with the diatoms and worms that long-dista...

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Image: Frank van Anken | CC BY-SA 3.0

Dollart: The Border That Isn't

Sat, 16 May 2026 00:00:00 GMT

Photo credit CC BY 3.0. The maritime border through the Dollart has never been formally drawn. Both the Netherlands and Germany have positions on where it ought to be, and those positions disagree. Rather than fight it out, the two countries signed the Ems-Dollart Treaty in 1960 to organize navigation, ...

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Image: CC BY 3.0

Dollart: The Bird Hide on the Dike

Sat, 16 May 2026 00:00:00 GMT

Photo credit Dkvtig, CC BY-SA 4.0. Near Nieuwe Statenzijl, on the Dutch side, a wooden tower called the Kiekkaaste stands outside the sea dike — the only bird hide in the Netherlands positioned beyond the country's coastal defense line. From its observation deck the entire Dollart opens out: salt marsh in the fore...

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Image: Dkvtig | CC BY-SA 4.0