Barbora Water Reservoir is an artificial lake in the Mostecka Basin, north of the village of Oldrichov. It is a recreational complex originated in the 1970s by the flooding of the opencast Barbora mine from underground water.

The official naturist section which is marked by FKK signs is situated on the western bank of Barbor and is easy to find.The bank opposite of Barbora is also nudist, there are few people here and is more naturalistic.The adjacent pond Otakar, about 200 meters from Barbora, also has naturist staff. The water here is clear and clean, situated in a wonderful area with a view of the Krušné hory Mountains.