Alfsee
Osnabrück District, Germany
The Alfsee is a reservoir in the north of the district of Osnabrück in the state of Lower Saxony in north Germany. It has an area of 2.2 km2. It acts as a flood retention basin for the catchment area of the Hase and as local recreational area.
Reservoir data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).