Schoolhouse Island is a island located in Napa County, California. It appears on the Chiles Valley USGS 7.5-minute topographic quadrangle. The nearest populated place is Monticello (historical), approximately 4.4 miles to the SE.
Napa County · California
Schoolhouse Island is a island located in Napa County, California. It appears on the Chiles Valley USGS 7.5-minute topographic quadrangle. The nearest populated place is Monticello (historical), approximately 4.4 miles to the SE.