At Riverdale it turns south past Hensler, Mandan and Bismarck, and continues through Lake Oahe into South Dakota. Also called the Red River of the North, and Bois de Sioux River along the southern stretch. The largest lake in North Dakota, it's situated on the Missouri River in the west-central part of the state. Located about 30 mi. E. of Watford City, and between Garrison and Riverdale on the east end.
Trailheads are along park roads.
Most trails are loops or connect with other trails to form a loop. Self-guiding brochures are available for four nature trails. The park is full of colorful buttes, bluffs, canyons and mesas carved by the Little Missouri River, which flows by all three units. Wildlife includes prairie dogs, bison, elk, wild horses and badgers. Dickinson, Killdeer, Medora, Watford City.