Record
About San Andreas
San Andreas is an unincorporated census-designated place in, and the county seat of, Calaveras County, California, United States. The population was 2,994 at the 2020 census, up from 2,783 at the 2010 census.
This is a site record: what public sources say about San Andreas, gathered in one place. We haven't written a full guide yet, so history, current access and photos are still to come. Treat the status as unknown until a guide confirms it.
Map
Where San Andreas is

Historic maps
13 historic USGS maps cover San Andreas
Topographic sheets from the USGS Historical Topographic Map Collection (public domain), oldest first. Older sheets often show the camp, mines and roads while the place was alive. The downloads are large map scans; USGS topoView shows them in the browser.
- 1889 Jackson sheet, 1:125,000 · GeoTIFF download
- 1892 Jackson sheet, 1:125,000 · GeoTIFF download
- 1897 Jackson sheet, 1:125,000 · GeoTIFF download
- 1902 Jackson sheet, 1:125,000 · GeoTIFF download
- 1945 San Andreas sheet, 1:62,500 · GeoTIFF download
- 1947 San Andreas sheet, 1:62,500 · GeoTIFF download
- 1947 Sacramento sheet, 1:250,000 · GeoTIFF download
- 1948 Sacramento sheet, 1:250,000 · GeoTIFF download
- 1956 Sacramento sheet, 1:250,000 · GeoTIFF download
- 1957 Sacramento sheet, 1:250,000 · GeoTIFF download
- 1962 San Andreas sheet, 1:24,000 · GeoTIFF download
- 1962 San Andreas sheet, 1:62,500 · GeoTIFF download
- 1993 San Andreas sheet, 1:100,000 · GeoTIFF download
Directions
Getting there
Before you go
- Many ghost town sites are on private land, active mining claims or tribal land. Check land status and ask permission.
- Roads to old townsites are often unmaintained dirt. Map apps may route over closed or impassable tracks.
- Removing artifacts from public land is illegal under federal and most state laws.
Nearby
Other sites near San Andreas
Straight-line distance to other mapped sites in our California index.
- Mokelumne Hill7.4 mi N · Calaveras
- Middle Bar8.0 mi NW · Calaveras
- Lost City8.4 mi SW · Calaveras
- Campo Seco9.6 mi W · Calaveras
- Altaville10.1 mi SE · Calaveras
- Angel's Camp11.7 mi SE · Calaveras
- Jackson11.7 mi NW · Amador
- Camanche12.2 mi W · Amador
Sources
Sources
- ghosttowns.com, "San Andreas": county, roads, climate, best time to visit, remains.
- Wikipedia, "San Andreas, California": coordinates and summary.
- Wikidata Q2371380.
- USGS GNIS 277590.
- USGS 3D Elevation Program, elevation at the coordinates.
- USGS The National Map and Historical Topographic Map Collection (public domain).