There are at least 115 named mountain ranges in Idaho. Some of these ranges extend into the neighboring states of Montana, Nevada, Oregon, Utah, Washington, and Wyoming. Names, elevations and coordinates from the U.S. Geological Survey, Geographic Names Information System.
The Bitterroot Range is a mountain range and a subrange of the Rocky Mountains that runs along the border of Montana and Idaho in the northwestern United States. The range spans an area of 24,223 square miles (62,740 km2) and is named after the bitterroot, a small pink flower that is the state flower of Montana.
The Lost River Range is a high mountain range of the Rocky Mountains, located in Central Idaho, in the Northwestern United States.
The Centennial Mountains are the southernmost sub-range of the Bitterroot Range in the U.S. states of Idaho and Montana. The Centennial Mountains include the Western and Eastern Centennial Mountains. The range extends east from Monida Pass along the Continental Divide to Henrys Fork 48 km (30 mi) NNW of Ashton, Idaho; bounded on the west by Beaver Creek, on the north by Centennial Valley and Henrys Lake Mountains, on the east by Henrys Lake Flat, and on the south by Shotgun Valley and the Snake River Plain. The highest peak in the range is Mount Jefferson.
The Beaverhead Mountains, highest point Scott Peak, el. 11,393 feet (3,473 m), are a mountain range straddling the Continental Divide in the U.S. states of Montana and Idaho. They are a sub-range of the Bitterroot Range, and divide Beaverhead County, Montana from Lemhi County, Idaho and Clark County, Idaho.
The Lemhi Range is a mountain range in the U.S. state of Idaho, spanning the eastern part of the state between the Lost River Range and the Beaverhead Mountains. The highest point in the range is Diamond Peak at 12,202 feet (3,719 m), the third highest peak in Idaho. The range is located within Salmon-Challis and Caribou-Targhee National Forests.
Sheep Mountain is a 9,688-foot elevation (2,953 m) mountain summit in Beaverhead County, Montana, United States.