The Dümmer or officially Dümmer See is a large lake in southern Lower Saxony. It has a surface of 13.5 km2 and an average depth of one metre. Its elevation is 37 metres.
Dümmer is a popular resort for water sports, but also an important biotope for water birds and located in a zone especially frequented by migratory birds. A large section of its shore is protected by nature reserve areas.
Wikipedia https://en.wikipedia.org/wiki/Dümmer
Address 49459, Germany
Coordinates 52°30'50.494" N 8°20'5.907" E