Keystone · Summit County · CO
Rock Island Road is a 2.7-mile expert (double black) trail near Keystone, in Summit County, CO. It climbs 190 ft and descends 1,213 ft, between 9,630 ft and a high point of 10,702 ft. Mapped for mountain biking.
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Trail data © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP. Open the interactive map for routing, weather, and offline use.