U.S. Highway 20 (US 20) crosses the pass, approximately fifteen miles (24 km) west of West Yellowstone, on the western boundary of Yellowstone National Park. The pass provides the most direct access to the park from southern Idaho.
^Utley, Robert M. (1973). Frontier Regulars the United States Army and the Indian, 1866-1891. Lincoln, NE: University of Nebraska Press. pp. 308–309. ISBN0-8032-9551-0.