Köthener See is a lake in Landkreis Dahme-Spreewald, Brandenburg, Germany.
It lies at an elevation of 43 m, and has a surface area of 1.48 km².
It is located in the municipality of Märkisch Buchholz, Dahme-Spreewald district.
Media related to Köthener See at Wikimedia Commons
This Brandenburg location article is a stub.