Orinda · Contra Costa County · CA
Oursan Trail is a 9.7-mile white trail near Orinda, in Contra Costa County, CA. It climbs 2,686 ft and descends 2,677 ft, between 570 ft and a high point of 1,008 ft. The surface is dirt. 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.