Three Rocks is a island located in San Mateo County, California. It appears on the Half Moon Bay USGS 7.5-minute topographic quadrangle. The nearest populated place is Half Moon Bay, approximately 2.3 miles to the NNE.
San Mateo County · California
Three Rocks is a island located in San Mateo County, California. It appears on the Half Moon Bay USGS 7.5-minute topographic quadrangle. The nearest populated place is Half Moon Bay, approximately 2.3 miles to the NNE.