Castle Rock County Park is a 141-acre campground on Wisconsin's fourth-largest lake featuring 200 campsites with electric hookups, modern shower facilities open 24/7, and an improved boat launch for water access.

The park offers a designated swimming beach, picnic areas, and is open year-round, making it a full-service access point for boating and fishing on Castle Rock Lake.

A visitor center with game room and concessions is available, and the park is designated as a snowmobile unload/load area for winter recreation.