Targhee Pass is a mountain pass in the western United States on the Continental Divide. It is located along the border between southeastern Idaho and southwestern Montana, in the Henrys Lake Mountains at an elevation of 7,072 feet above sea level. The pass is named for a Bannock chief. U.S. Highway 20 crosses the pass, approximately fifteen miles west of West Yellowstone, on the western boundary of Yellowstone National Park.