This article relies largely or entirely on a single source. Relevant discussion may be found on the talk page. Please help improve this article by introducing citations to additional sources.Find sources: "Keystone, Tuolumne County, California" – news · newspapers · books · scholar · JSTOR (April 2021)
Keystone, California | |
|---|---|
 The Sierra Railroad crossing La Grange Road (County Route J59) at Keystone | |
  Keystone, California  Keystone, California | |
| Coordinates: 37°50′07″N 120°30′28″W / 37.83528°N 120.50778°W | |
| Country | United States |
| State | California |
| County | Tuolumne |
| Elevation | 1,083 ft (330 m) |
| Time zone | UTC-8 (Pacific (PST)) |
| • Summer (DST) | UTC-7 (PDT) |
| Area code | 209 |
| GNIS feature ID | 252712[1] |
Keystone is an unincorporated community in Tuolumne County, California, United States.[1] Keystone is 4.8 miles (7.7 km) west-southwest of Chinese Camp.
