Union Canyon is a valley located in Nevada County, California. It appears on the Washington USGS 7.5-minute topographic quadrangle. The nearest populated place is Relief, approximately 1.2 miles to the NNE.
Nevada County · California
Union Canyon is a valley located in Nevada County, California. It appears on the Washington USGS 7.5-minute topographic quadrangle. The nearest populated place is Relief, approximately 1.2 miles to the NNE.