Seeburger See

Seeburger See is a lake in the karst region of the Lower Eichsfeld, Landkreis Göttingen, in southeastern Lower Saxony, Germany.
Also known as Auge des Eichsfelds , the shallow 86.5-hectare lake is fed in the west by the Aue creek at Seeburg and drained to the east in Bernshausen by the same creek and lies at an elevation of 157 m AMSL. The lake is postglacial, having formed about 500 B.C. when an underground cave collapsed. The lake is the largest natural body of water in Göttingen district. It is bordered in places by reedy growth and elsewhere by trees and grasslands. Other than the two villages, the surrounding land is mostly agricultural, though there is a recreational area with swimming facilities near Seeburg, and a large part of the lake's shoreline and a small forested area to the north are protected nature zones. Controlled fishing is allowed in the lake, with eel being the most common , along with small pike, zander, carp, tench, common rudd, trout, and a few others.

Wikipedia