Fascinating geologic formations are the principal features of this 2,272-acre day-use park. Connor’s Cave can be explored on your own. Devil’s Icebox Cave, with a total mapped passage distance of more than seven miles, is closed. A boardwalk and other trails lead to the natural rock bridge, with numerous sinkholes and springs along the way. There are trails for hikers, equestrians and mountain bikers, when conditions allow. Picnic sites are scattered throughout the park. The park is five miles south of Columbia.