Grossmont Reservoir (historical) is a reservoir located in San Diego County, California. It appears on the El Cajon USGS 7.5-minute topographic quadrangle. The nearest populated place is Alta (historical), approximately 0.4 miles to the S.
San Diego County · California
Grossmont Reservoir (historical) is a reservoir located in San Diego County, California. It appears on the El Cajon USGS 7.5-minute topographic quadrangle. The nearest populated place is Alta (historical), approximately 0.4 miles to the S.