View of Rottachsee

The Rottachsee is used for flood protection, to raise the low water levels of the Iller and Danube and to generate electricity from hydropower. For this purpose, a through-flow turbine with an output of 480 kW is operated in the hydroelectric power station. The system generates around 1.6 million kWh per year.[5] The dam has a 38 m high and 190 m long earthen dam. The dam is 70 m high. The lake and some areas of its shore, in particular the terrain of a pre-dam area near the hamlet of Bisseroy, which is separate from the rest of the lake, are used as a recreational area. The area around the reservoir is now known as a biotope because many plants and animals have settled there.
Source: Wikipedia
de.wikipedia.org/wiki/Rottachsee

There is a path along the lake that sometimes leads away from the lake. There are some swimming opportunities and a few kiosks.

Great gravel paths around the lake. Some restaurants with beautiful views of the lake and the mountains.