Eldora · Boulder County · CO
Devils Thumb Trail is a 5.5-mile intermediate (blue) trail near Eldora, in Boulder County, CO. It climbs 285 ft and descends 2,549 ft, between 9,745 ft and a high point of 12,016 ft. The surface is mixed. Mapped for hiking, trail running, equestrian.
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Trail data © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP. Open the interactive map for routing, weather, and offline use.