Description
Lost River Peak, also known as Lost River Mountain, at 12,078 feet (3,681 m) above sea level is the sixth-highest peak in the U.S. state of Idaho and the fifth-highest in the Lost River Range. The peak is located in Salmon-Challis National Forest in Custer County. It is 1.8 mi (2.9 km) southeast of Mount Breitenbach, its line parent.
