Hole in the Rock is a arch located in Napa County, California. It appears on the Detert Reservoir USGS 7.5-minute topographic quadrangle. The nearest populated place is Mirabel (historical), approximately 3.4 miles to the N.
Napa County · California
Hole in the Rock is a arch located in Napa County, California. It appears on the Detert Reservoir USGS 7.5-minute topographic quadrangle. The nearest populated place is Mirabel (historical), approximately 3.4 miles to the N.