Clayton · Contra Costa County · CA
Lower Donner Trail is a 0.3-mile moderate trail near Clayton, in Contra Costa County, CA. It climbs 35 ft and descends 167 ft, between 859 ft and a high point of 1,009 ft. Moderate difficulty: calculated from 14% avg grade · 0.6 mi round trip, 209 ft climb. The surface is ground. Mapped for hiking, trail running.
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Trail data © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP. Open the interactive map for routing, weather, and offline use.