Green Mountain Trailhead via Tonahutu Creek-Flattop Junction

based on 4 tracks & routes
15.4 mi
8 hrs 26 min
3,481 ft
Elev Gain


This is a moderate one way trail to Green Mountain Trailhead in Rocky Mountain National Park.

This trail goes by Flattop Mountain, Ptarmigan Pass, Timberline Group Site, Renegade, Tonahutu Stock/Group Site, Tonahutu Meadows, Granite Falls, Lower Granite Falls, Sunrise, and Sunset.

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Public Tracks

There are no published trips for this hike. There are 4 private trips.

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