San Antonio is a populated place located in Marin County, California. It appears on the Petaluma River USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 56.00 feet (17.07 m) above sea level.
Marin County · California
San Antonio is a populated place located in Marin County, California. It appears on the Petaluma River USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 56.00 feet (17.07 m) above sea level.