Haseüberfall, nicht mehr bestehendes Wehr mit künstlichem Wasserfall im Verlauf der Hase bei Quakenbrück
Haseüberfall is a water control structure on the Hase River near Quakenbrück that directs water flow through a sloped channel system. The installation spans roughly 200 meters (650 feet) and connects to a network of connected waterways that manage the river's movement through the area.
The original weir was constructed in 1683 from oak planks to protect the town from flooding. After the wooden structure deteriorated, a reinforced concrete dam was built in 1910 and later replaced with a sloped fish passage system.
The structure sits roughly two kilometers southeast of the town center and is accessible from a walking trail. The area around it is open, offering clear views of how the water flows and changes as it passes through the system.
The current sloped fish passage was installed around 2014 to allow salmon, eels, and other species to migrate upstream past the barrier. Scientific testing found that at least 16 fish species use and can traverse the structure successfully.
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