Bighorn Mountains, range of the Rocky Mts., N central Wyo., extending c.120 mi (190 km) N into S Montana, E of the Bighorn River. Cloud Peak, 13,165 ft (4,013 m), is the highest point. The glaciated mountain range contains Bighorn National Forest.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.