Qualla: Alfsee

Alfsee: Introduction

Sat, 16 May 2026 00:00:00 GMT

Photo credit Sail over, CC BY-SA 3.0. The Hase had a habit of swallowing fields. Every wet autumn, the slow river west of Bramsche would slip its banks and pool across the Bramgau lowlands, soaking pasture and farmland and reminding everyone in the Osnabrück district that geography keeps its own ledger. So in 1971, the engineers came with their drawings and started digging. What rises out of the flat fields north of the city today is not a natural lake at all - it is a 2.2-square-kilometre answer to a centuries-old problem, an artificial sheet of water that doubles as a holding pen for floodwater and a place to learn to sail.

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Image: Sail over | CC BY-SA 3.0

Alfsee: The Engineered Lake

Sat, 16 May 2026 00:00:00 GMT

Photo credit ProfessorX, CC BY-SA 4.0. The Alfsee is a working machine disguised as scenery. A 4.5-kilometre channel siphons water off the Hase north of Bramsche and feeds it into a settling basin, where it spills over a long overflow dam into the main reservoir. From there, a second channel returns it to the river sy...

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Image: ProfessorX | CC BY-SA 4.0

Alfsee: Holiday Park on the East Shore

Sat, 16 May 2026 00:00:00 GMT

Photo credit Ramsch, CC BY-SA 4.0. By 1976, just five years after construction began, someone had spotted the opportunity. The parish of Rieste opened a holiday park on the eastern shore, and the reservoir's second life began. Today there are campsites and holiday homes scattered along the bank, a boating harbour ...

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Image: Ramsch | CC BY-SA 4.0

Alfsee: Getting There

Sat, 16 May 2026 00:00:00 GMT

Photo credit Leon Thiel, CC BY-SA 4.0. The lake sits a few hundred metres east of the B 68 federal road and is reached from the Neuenkirchen-Vörden junction of the A 1 motorway that runs along its eastern flank. Trains from Bremen and Osnabrück stop hourly at Rieste station, about 1.8 kilometres from the water. The co...

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Image: Leon Thiel | CC BY-SA 4.0

Alfsee: What the Water Means

Sat, 16 May 2026 00:00:00 GMT

Photo credit Ramsch, CC BY-SA 4.0. Twenty-five kilometres north of Osnabrück, the Alfsee marks the seam between two ways of using the land. To the west rise the Ankum Heights, ancient glacial moraine; to the east stretches the flat agricultural country toward the Dümmer. The reservoir is younger than most of the p...

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Image: Ramsch | CC BY-SA 4.0