Mill Valley is a valley located in Marin County, California. It appears on the San Rafael USGS 7.5-minute topographic quadrangle. The nearest populated place is Almonte, approximately 0.4 miles to the SSE.
Marin County · California
Mill Valley is a valley located in Marin County, California. It appears on the San Rafael USGS 7.5-minute topographic quadrangle. The nearest populated place is Almonte, approximately 0.4 miles to the SSE.