Dark lake
The term dark sea denotes:
- a lake in the area of the independent city of Brandenburg, Brandenburg, see Dunkelsee (Brandenburg an der Havel)
- a lake in the area of the municipality of Kloster Lehnin, Potsdam-Mittelmark district, Brandenburg, see Dunkelsee (Kloster Lehnin)
- a lake in the area of the municipality of Stechlin, Ostprignitz-Ruppin district, Brandenburg, see Dunkelsee (Stechlin)