Flagstone Peak, Mountain summit in Wind River Range, Wyoming, US
Flagstone Peak is a summit in Wyoming's Wind River Range that rises to 13,445 feet. Three sides drop away steeply while the north side offers a more gradual approach through boulder-covered terrain.
The peak was first documented to have been climbed in 1946, marking the beginning of recorded mountaineering in this section of the Wind River Range. This ascent opened the area to further exploration by climbers seeking high country routes.
The granite composition at the peak's summit influenced its name, reflecting the natural geological formations found throughout the Wyoming mountain ranges.
Access begins at the Green River Lakes trailhead where hikers follow the Tourist Creek drainage and pass through Three Forks Park to reach the peak. The approach involves scrambling over rocky terrain and requires good physical fitness and mountain experience.
This peak stands out as Wyoming's only 13,000-foot summit with sandy rock composition and connects directly to neighboring Pedestal Peak via a moderate scramble. The direct ridge link between these two summits attracts climbers looking to bag multiple peaks in a single outing.
Location: Wyoming
GPS coordinates: 43.21523,-109.67571
Latest update: December 14, 2025 20:01
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