Gasoline is not available within Theodore Roosevelt National Park.
The nearest gas station to the South Unit is located at a convenience store in Medora, adjacent to the park entrance. Gas is also available to the east on I-94 in Belfield, ND (15 miles) and west on I-94 in Beach, ND (25 miles).
The nearest gas stations to the North Unit are in Watford City, ND, approximately 14 miles north on U.S. Hwy 85. Going south on U.S. Hwy 85 (between the two park units), there is a gas station at the junction of U.S. Hwy 85 and ND Hwy 200. This gas station is approximately 19 miles south of the North Unit.