Blackhawk · Contra Costa County · CA
Sulphur Springs Trail is a 3.2-mile moderate trail near Blackhawk, in Contra Costa County, CA. It climbs 894 ft and descends 1,523 ft, between 1,009 ft and a high point of 1,645 ft. Moderate difficulty: calculated from 14% avg grade · 10.0 mi round trip, 3,760 ft climb. The surface is ground. Mapped for hiking, trail running, mountain biking, equestrian.
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Trail data © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP. Open the interactive map for routing, weather, and offline use.