Dianna Rock is a pillar located in Sonoma County, California. It appears on the The Geysers USGS 7.5-minute topographic quadrangle. The nearest populated place is Mercuryville, approximately 1.8 miles to the WSW.
Sonoma County · California
Dianna Rock is a pillar located in Sonoma County, California. It appears on the The Geysers USGS 7.5-minute topographic quadrangle. The nearest populated place is Mercuryville, approximately 1.8 miles to the WSW.