Granite Peak

Montana Class 4 Beartooth Mountains

Rank 71

Elevation landscape

12,807 ft

Prominence height

4,764 ft

Difficulty signal_cellular_alt

Class 4

Est. Time schedule

2–3 days

Distance route

22.6 mi

Vert Gain trending_up

6,750 ft

Granite Peak ranks No. 71 among the Lower 48 Top 100 prominence peaks in the Prominence Registry, rising 12,807 feet in the Beartooth Mountains of southern Montana, with 4,764 feet of clean prominence. It is the highest point in Montana and often considered the most difficult U.S. state high point outside Alaska. Most climbers use the West Rosebud approach via Froze-to-Death Plateau for roughly 22.6 miles round-trip with about 6,750 feet of gain on Class 3–4 terrain over two to three days.

Granite Peak stands within the Absaroka-Beartooth Wilderness near the Wyoming border in Park County, roughly 45 miles southwest of Columbus. The Beartooth Mountains surrounding the peak contain numerous named summits exceeding 12,000 feet. Technical scrambling, poor weather, exposure, and complex route-finding define the standard ascent far more than elevation alone.

The peak's first ascent was made by Elers Koch, James C. Whitham, and R.T. Ferguson on August 29, 1923, after several failed attempts by earlier parties. It was the last of the contiguous U.S. state high points to be climbed. The summit sits above steep, broken alpine terrain that gives the peak its distinctive and intimidating character.

Recommended Route

Froze-to-Death Plateau via Mystic Lake

The standard route follows the West Rosebud Trailhead approach via Mystic Lake and Froze-to-Death Plateau. The trail climbs to Mystic Lake at 7,678 feet, a popular day-hike turnaround, then continues cross-country onto the Froze-to-Death Plateau, which rises from 9,800 feet to nearly 12,000 feet. From the plateau, climbers descend toward a saddle, ascend steep blocky talus, and negotiate exposed Class 3–4 terrain near the summit ridge.

The final push gains more than 1,000 feet through blocky, exposed terrain where a fall could have severe consequences. Rappelling the steepest summit section may provide a safer descent, especially in poor weather or icy conditions. Most parties complete the climb in two to three days with a camp on the plateau.

Key Landmarks

West Rosebud Trailhead (6,200 ft)
Mystic Lake (7,678 ft)
Froze-to-Death Plateau (9,800–11,900 ft)
Tempest Mountain area (~12,469 ft)
Summit block (12,807 ft)

warning

Keen route-finding and proper gear are essential on Granite Peak. Parties should study route descriptions before departure and carry maps, navigation tools, and backup navigation methods. Joe Josephson's Montana's Highest Point: A Climbing Guide & Map is a commonly cited dedicated guide for the standard route.

Permits & Camping

Climbing Permits

No climbing permit or fee is required for Granite Peak. The peak lies within the Absaroka-Beartooth Wilderness on Custer Gallatin National Forest land, which operates under dispersed camping regulations subject to wilderness rules and seasonal food-storage requirements.

Camping & Wilderness

Campsites on the Froze-to-Death Plateau at 9,800–11,000+ feet offer exposed alpine bivouac terrain with seasonal water from snowmelt. Camp near the base of Tempest Mountain or on the plateau itself, following Leave No Trace standards. Current Custer Gallatin National Forest food-storage orders may require unattended food and scented items to be stored in approved bear-resistant containers or properly suspended. Confirm current food-storage rules, grizzly bear activity, and regulations before travel. Campfires are generally inappropriate at this elevation; use a stove. The area supports active grizzly bear populations—practice proper food storage and carry bear spray.

Wildlife & Seasonal Conditions

Class 3–4 rock scrambling on exposed granite with more than 1,000 feet of relief near the summit requires rope management, rappelling, belay setup, and comfort on steep, unprotected talus. Self-arrest with an ice axe, crampon proficiency, and seasonal snow assessment are commonly needed depending on conditions. Navigation on featureless Froze-to-Death Plateau terrain demands map-and-compass skill; cairn marking is minimal. Afternoon thunderstorms develop rapidly in summer with consistent lightning risk on exposed alpine terrain. Loose rock and rockfall are serious hazards in boulder fields and on the summit scramble. Seasonal snowfields, cornices, moats, and icy rock can create additional hazards depending on season and time of day.