Union Valley is a valley located in Nevada County, California. It appears on the Martis Peak USGS 7.5-minute topographic quadrangle. The nearest populated place is Union Mills, approximately 0.5 miles to the SE.
Nevada County · California
Union Valley is a valley located in Nevada County, California. It appears on the Martis Peak USGS 7.5-minute topographic quadrangle. The nearest populated place is Union Mills, approximately 0.5 miles to the SE.