| West Hartley | |
|---|---|
| Former settlement | |
| Location in California | |
| Coordinates: 37°56′26″N 121°48′46″W / 37.94056°N 121.81278°W | |
| Country | United States |
| State | California |
| County | Contra Costa County |
| Elevation | 440 ft (134 m) |
Coordinates: 37°56′26″N 121°48′46″W / 37.94056°N 121.81278°W
West Hartley was an unincorporated community in eastern Contra Costa County, California. It was located 7 miles (11 km) northeast of Mount Diablo, at an elevation of 440 feet (134 m). It is now a ghost town. It was a mining town for the nearby coal mines.
It was founded in the late 1880s and named for England's West Hartley coal mine.