Castle Rock Park is open year-round. This 141 acre park, is on the 4th largest body of water in Wisconsin. The park includes a Visitor/Office Center that includes a game room, concession area, and heated shower and restrooms, open 24 hours a day. The park also has a designated swimming area, improved boat launch, and playground equipment. Concessions and firewood available. Castle Rock Park is a designated snowmobile unload/load area. Call for more information & reservations.