Onion Valley is a valley located in Placer County, California. It appears on the Blue Canyon USGS 7.5-minute topographic quadrangle. The nearest populated place is Emigrant Gap, approximately 2.6 miles to the NNW.
Placer County · California
Onion Valley is a valley located in Placer County, California. It appears on the Blue Canyon USGS 7.5-minute topographic quadrangle. The nearest populated place is Emigrant Gap, approximately 2.6 miles to the NNW.