Clayton Valley is a valley located in Contra Costa County, California. It appears on the Walnut Creek USGS 7.5-minute topographic quadrangle. The nearest populated place is Concord, approximately 1.0 miles to the NNW.
Contra Costa County · California
Clayton Valley is a valley located in Contra Costa County, California. It appears on the Walnut Creek USGS 7.5-minute topographic quadrangle. The nearest populated place is Concord, approximately 1.0 miles to the NNW.