By bus
Bus transportation via Rimrock Inc., Toll Free: 1-800-255-7655, (http://www.rimrocktrailwa...) is available along I-94. The bus stops in Medora, three blocks from the park's South Unit entrance.
There is no public bus transportation along Highway 85 and to the North Unit.
By plane
Air service is available into the western North Dakota towns of Bismarck, Dickinson and Williston.
By train
Train service via Amtrak is available into Williston, North Dakota.
By car
The South Unit entrance and South Unit Medora Visitor Center are located in Medora, just off Interstate 94 exits 23 & 27 and is 135 miles west of Bismarck, North Dakota.
The Painted Canyon Visitor Center is located 7 miles east of Medora just off I-94 at exit 32. It is open seasonally, from May 1st to mid-November.
The North Unit entrance is located 16 miles south of Watford City along U.S. Highway 85. The distance between Medora at the South Unit and the North Unit is 70 miles via I-94 and U. S. Highway 85.
The Elkhorn Ranch Unit is only accessible via gravel roads and, from the east, a river ford. Check with a ranger at the North or South Unit for current conditions and specific directions.