Basalt was mined at the site of the lake, popularly known as Silbersee, until the 1970s. The area is now a nature reserve, so if you come to the lake …
The Rosenheimer Lay is an abandoned quarry, which was formerly also called Kotzenrother Lay, in which basalt was mined until 1976 and is now a wet biotope.
This small pond is located in the Saukaute nature reserve. At first glance, the pond looks unclean because of the water plants. The water in this small biotope is absolutely clear.