Poison Spring is a spring located in Marin County, California. It appears on the Bolinas USGS 7.5-minute topographic quadrangle. The nearest populated place is San Geronimo, approximately 2.6 miles to the N.
Marin County · California
Poison Spring is a spring located in Marin County, California. It appears on the Bolinas USGS 7.5-minute topographic quadrangle. The nearest populated place is San Geronimo, approximately 2.6 miles to the N.