Indian Creek Recreation Area near Mobridge offers rolling hills and river views on Lake Oahe, good for camping, picnicking and exploring. The land was explored by Lewis and Clark in 1804, and cowboys later used it to fatten cattle for shipment south. Two campgrounds hold 123 campsites and two camping cabins. More than 2.5 miles of trails support hiking and biking, and boating, fishing and geocaching are popular.