Ahlhorn Fish Ponds

Ahlhorner Fischteiche is a 465-hectare nature reserve in the west of the Wildeshauser Geest Nature Park in Lower Saxony, which is located on both sides of the Lethe on the southwestern edge of the district of Oldenburg and on the eastern edge of the district of Cloppenburg. The ponds of the NSG Ahlhorner Fischteiche are located in the areas of the municipalities of Großenkneten and Emstek. They form part of the European Union's Fauna-Flora-Habitat Area 012. A small section west of the Lethe in the northwest of the NSG belongs to the municipality of Garrel in the district of Cloppenburg.

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