"3.0"^^ . "1.5"^^ . . "23.6"^^ . "G\u00FClper See"@en . . "G\u00FClper See is a lake in Brandenburg, Germany. At an elevation of 23.6 m, its surface area is 6.6 km\u00B2. It is located in the municipality of Havelaue, Havelland district."@en . "6.6e+06"^^ . . .