Granite Peak (Montana) Mountain
Montana's highest peak and technical climbing objective
Montana's highest peak and a longstanding objective for serious climbers, known for technical routes and variable alpine conditions. Mountaineers attempt Granite Peak for its challenging rock, route-finding and high-elevation exposure.
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Granite Peak is the highest mountain in the U.S. state of Montana, with an elevation of 12,807 feet (3,904 metres). It is located in the Beartooth Range in south-central Montana.
The summit is sought by mountaineers as a technical high point rather than a simple hike - routes commonly involve class 3 to low-5th-class moves, glaciers or permanent snow patches on some approaches, and significant route finding. Climbs are most commonly attempted in mid-summer when snow conditions are more stable.
The peak sits within the rugged Beartooth alpine landscape and is approached through alpine valleys and cirques; access typically uses trailheads in the surrounding national forest and wilderness areas.
Nearest towns and trailheads are in the broader south-central Montana region; approaches often require a full day or more of travel into alpine terrain before the ascent.
- Elevation: At 12,807 feet (3,904 metres) it is the highest point in the U.S. state of Montana.
- Climbing notes: The peak is regarded as a technically challenging state high point, requiring route finding, scrambling and occasional roped climbing depending on conditions.
How to Get to Granite Peak (Montana)#
Granite Peak is accessed from trailheads in the Absaroka-Beartooth Wilderness. The most common approach begins near the Ashland and Beartooth Pass areas; consult Custer Gallatin National Forest for trail, permit and seasonal access details.
Tips for Visiting Granite Peak (Montana)#
- Granite Peak is a technical climb requiring alpine experience; parties should be self-sufficient and prepared for route-finding on complex terrain.
- Check current route conditions with local guiding services and obtain necessary permits from Custer Gallatin National Forest.
- Summer is the climbing season - snow, loose rock and storms can still present objective hazards.
Best Time to Visit Granite Peak (Montana)#
Best attempted in mid-summer when routes are most accessible; climbs require good weather windows.
Weather & Climate near Granite Peak (Montana)#
Granite Peak (Montana)'s climate is classified as Tundra - Tundra climate with cold summers (peaking in August) and freezing winters (coldest in January). Temperatures range from -16°C to 13°C. Moderate rainfall (574 mm/year).
January
January is the coldest month with highs of -6°C and lows of -15°C. Moderate rainfall (42 mm) and breezy conditions.
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February
February is freezing with highs of -4°C and lows of -16°C. Moderate rainfall (33 mm).
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March
March is freezing with highs of -4°C and lows of -16°C. Moderate rainfall (51 mm).
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April
April is freezing with highs of -2°C and lows of -14°C. Moderate rainfall (52 mm).
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May
May is freezing with highs of 2°C and lows of -9°C. The wettest month with 75 mm of rain.
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June
June is cold with highs of 6°C and lows of -5°C. Moderate rainfall (71 mm).
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July
July is cold with highs of 13°C and lows of -1°C. Moderate rainfall (41 mm).
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August
August is cold with highs of 13°C and lows of 0°C. Moderate rainfall (42 mm).
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September
September is cold with highs of 9°C and lows of -3°C. Moderate rainfall (50 mm).
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October
October is freezing with highs of 3°C and lows of -7°C. Moderate rainfall (40 mm).
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November
November is freezing with highs of -2°C and lows of -12°C. Moderate rainfall (40 mm) and breezy conditions.
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December
December is freezing with highs of -5°C and lows of -15°C. Moderate rainfall (37 mm) and breezy conditions.
