Clausensee, reservoir in Schwarzbachtal, Germany

Clausensee is a reservoir in the Schwarzbach Valley near Waldfischbach-Burgalben, created by a dam to manage water for local needs and outdoor recreation. The body of water covers roughly 4.5 hectares with shallow areas suitable for children and deeper zones reaching about 5 meters.

The lake was formed by a dam built in the Schwarzbach Valley to store water for local use and provide recreation opportunities. Over time, facilities including a camping area were developed around it, transforming it into a popular destination for families and outdoor enthusiasts.

The lake's name comes from the municipality of Clausen on its southern shore; the northern shore belongs to Heltersberg. Every year on the last weekend of July, a lake festival (Seefest) takes place here. The lake is privately owned and used for fishing and recreation.

The lake lies between Waldfischbach-Burgalben and Leimen, with the district road K 32 running along its northern shore. A campsite with an unsupervised beach section sits above the water. The lake is privately owned, so access is limited to the camping and beach areas.

The lake is privately owned, and its northern shore lies in the Heltersberg district while the southern shore belongs to Clausen, the municipality that gives the lake its name. The Schwarzbach, called Burgalb along this stretch, feeds it and carries the water on via the Blies, Saar and Mosel to the Rhine.