One of the oldest valley reservoirs in Bohemia, built in 1900 - 1904. The height of the gravity dam is 44 m, the length in the crest 153 m. The water surface has the area 6 ha.
The architectural solution is interesting, it exploits the elements of historic-like gothic.
The access to the water surface and to the dam is forbidden - the zone of protection of 1st degree.