Oroysom is a area located in Alameda County, California. It appears on the Niles USGS 7.5-minute topographic quadrangle. The nearest populated place is Mission San Jose District, approximately 0.1 miles to the W.
Alameda County · California
Oroysom is a area located in Alameda County, California. It appears on the Niles USGS 7.5-minute topographic quadrangle. The nearest populated place is Mission San Jose District, approximately 0.1 miles to the W.