Nez Perce Pass is a mountain pass in the Bitterroot Mountains on the border between the U.S. states of Idaho and Montana. The pass is at an elevation of 6,587 feet (2,008 m) above sea level. The Nez Perce Pass Trailhead offers access to the Selway-Bitterroot Wilderness and the Frank Church—River of No Return Wilderness. The pass is located "between Wildernesses nearly twice as large as the combined states of Delaware and Rhode Island," on what is "probably one of the wildest roads in the United States."