Cave-In-Rock State Park Campground is a very fascinating place to camp and visit. The cave formation in the rock is something that visitors come from everywhere to see. There are 34 class A sites available which have electricity and can accommodate units up to 60 feet long. Also available are 25 class B sites, as well as tent sites with showers, restrooms, and dumping stations in both areas. Cabins can be rented throughout the year as well. Firewood and grills are provided.