 At an elevation of , its surface area is .The lake is located in the Horn-Lehe district of Bremen, north of Bürgerpark (the main city park) and the Stadtwald ("city forest") between Technologiepark Bremen ("Bremen Technology Park") and Bundesautobahn 27 in the north.On the northeastern shore is the so-called "Uni-Wildnis", a nature reserve, a nude beach and, somewhat further west, the camping ground "HanseCamping Bremen".