Sentinel Hill is a summit located in Napa County, California. It appears on the Saint Helena USGS 7.5-minute topographic quadrangle. The nearest populated place is Angwin, approximately 0.9 miles to the N.
Napa County · California
Sentinel Hill is a summit located in Napa County, California. It appears on the Saint Helena USGS 7.5-minute topographic quadrangle. The nearest populated place is Angwin, approximately 0.9 miles to the N.