Borkener See

Borkener See is an artificial lake in West Hesse Depression, Hesse, Germany. At an elevation of 177 metres, its surface area is 139 hectares. Created by the mining of lignite coal, the lake is nutrient-poor and slightly basic in pH. The lake and its surrounding area are a habitat of "particular importance as a rest area for water birds and wading birds" and are protected as part of a nature preserve that spans 350 hectares. ()