The Missouri Department of Natural Resources (DNR) operates 85 State Parks and State Historic Sites encompassing 200,000 acres; 1,500 structures; 3,700 campsites; 194 cabins; 2,000 picnic sites. There are 840 miles of trail for hikers, backpackers, bicycle riders, off-road vehicle users and horseback riders, including the 225-mile long Katy Trail, which is the longest developed rail-to-trail facility in the United States. For detailed information, and to make camping reservations, go to www.MoStateParks.com.