San Gregorio is a civil located in San Mateo County, California. It appears on the La Honda USGS 7.5-minute topographic quadrangle. The nearest populated place is San Gregorio, approximately 2.7 miles to the SW.
San Mateo County · California
San Gregorio is a civil located in San Mateo County, California. It appears on the La Honda USGS 7.5-minute topographic quadrangle. The nearest populated place is San Gregorio, approximately 2.7 miles to the SW.