Stone Valley is a valley located in Contra Costa County, California. It appears on the Las Trampas Ridge USGS 7.5-minute topographic quadrangle. The nearest populated place is Alamo, approximately 0.2 miles to the SW.
Contra Costa County · California
Stone Valley is a valley located in Contra Costa County, California. It appears on the Las Trampas Ridge USGS 7.5-minute topographic quadrangle. The nearest populated place is Alamo, approximately 0.2 miles to the SW.