The Maah Daah Hey Trail
161 21st St. W., Dickinson, Tel: 701 225-5151. A 120-mile trail open for biking, hiking and horseback riding. The trail begins at Sully Creek State Park approximately five miles south of historic Medora and meanders north through the south and north units of Theodore Roosevelt National Park. Biking within TRNP is not allowed; bikers must use alternate routes around park boundaries. The trail is jointly managed by the U.S. Forest Service, the National Park Service, and the North Dakota Parks & Recreation Department.