p>About the Department of Natural Resources (DNR): The Indiana Department of Natural Resources protects, enhances, preserves, and wisely uses natural, cultural, and recreational resources for the benefit of Indianas citizens through professional leadership, management, and education. Collectively, Indiana State Park properties manage more than 2,000 buildings, 700 miles of trails, 636 hotel/lodge rooms, 17 marinas, 75 launching ramps, 17 swimming pools, 15 beaches, 7,701 campsites, more than 200 shelters, 160 or so playgrounds and 150 cabins.