Walnut Creek · Contra Costa County · CA
Briones to Mt. Diablo Regional Trail is a 19.1-mile trail near Walnut Creek, in Contra Costa County, CA. It climbs 1,997 ft and descends 2,014 ft, between 213 ft and a high point of 869 ft. Mapped for hiking.
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Trail data © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP. Open the interactive map for routing, weather, and offline use.