Happy 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 Lafayette, approximately 0.6 miles to the SE.
Contra Costa County · California
Happy 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 Lafayette, approximately 0.6 miles to the SE.