Bültsee

Bültsee (Danish: Bulsø) is a kettle lake in Rendsburg-Eckernförde, Schleswig-Holstein, Germany. At an elevation of 9.35 m (30.68 ft), its surface area is 0.078 square miles (20.10 ha). It was formed during the last glacial period (the Weichselian Ice Age). The lake is fed exclusively by groundwater and has no inflow or outflow. On its western shore there is a public bathing area, located between Eckernförde and Fleckeby near the B 76 highway.