Foss Valley is a valley located in Napa County, California. It appears on the Capell Valley USGS 7.5-minute topographic quadrangle. The nearest populated place is Atlas, approximately 1.6 miles to the NNW.
Napa County · California
Foss Valley is a valley located in Napa County, California. It appears on the Capell Valley USGS 7.5-minute topographic quadrangle. The nearest populated place is Atlas, approximately 1.6 miles to the NNW.