Silverthorne · Summit County · CO
Ptarmigan Loop Trail is a 3.4-mile moderate trail near Silverthorne, in Summit County, CO. It climbs 2,293 ft and descends 294 ft, between 9,499 ft and a high point of 11,509 ft. Moderate difficulty: calculated from 15% avg grade · 6.7 mi round trip, 2,629 ft climb. The surface is ground. Mapped for hiking, trail running, mountain biking.
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Trail data © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP. Open the interactive map for routing, weather, and offline use.