Record
About New Idria
New Idria was an unincorporated town in San Benito County, California, United States. It was named after the New Idria Mercury Mine, which closed in 1972, resulting in a ghost town.
This is a site record: what public sources say about New Idria, 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 New Idria is

Historic maps
11 historic USGS maps cover New Idria
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.
- 1915 Priest Valley sheet, 1:125,000 · GeoTIFF download
- 1943 New Idria sheet, 1:62,500 · GeoTIFF download
- 1948 Santa Cruz sheet, 1:250,000 · GeoTIFF download
- 1955 Santa Cruz sheet, 1:250,000 · GeoTIFF download
- 1956 New Idria sheet, 1:62,500 · GeoTIFF download
- 1957 Santa Cruz sheet, 1:250,000 · GeoTIFF download
- 1958 Santa Cruz sheet, 1:250,000 · GeoTIFF download
- 1965 Santa Cruz sheet, 1:250,000 · GeoTIFF download
- 1969 Idria sheet, 1:24,000 · GeoTIFF download
- 1974 Monterey sheet, 1:250,000 · GeoTIFF download
- 1987 Coalinga 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.
Sources
Sources
- ghosttowns.com, "New Idria": county, roads, climate, best time to visit, remains.
- Wikipedia, "New Idria, California": coordinates and summary.
- Wikidata Q3475543.
- USGS GNIS 1660786.
- USGS 3D Elevation Program, elevation at the coordinates.
- USGS The National Map and Historical Topographic Map Collection (public domain).