Lake in Lucerne, Switzerland
Mauensee
Mauesee is a lake in the canton of Lucerne, Switzerland, near the town Mauensee.
Mauensee Castle is built on an islet in the 0.55 km2 large lake. It was built in 1605 for the Pfyffer family.
Text adapted from Wikipedia, CC BY-SA 4.0. Photograph: Werner Friedli (see Commons), Wikimedia Commons.