West Hartley was an

unincorporated community An unincorporated area is a parcel of land that is not governed by a local general-purpose municipal corporation. (At p. 178.) They may be governed or serviced by an encompassing unit (such as a county) or another branch of the state (such as th ...

in eastern

Contra Costa County Contra Costa County (; ''Contra Costa'', Spanish language, Spanish for 'Opposite Coast') is a U.S. county, county located in the U.S. state of California, in the East Bay of the San Francisco Bay Area. As of the 2020 United States census, the ...

California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

. It was located northeast of

Mount Diablo Mount Diablo is a mountain of the Diablo Range, in Contra Costa County, California, Contra Costa County of the eastern San Francisco Bay Area in Northern California. It is south of Clayton, California, Clayton and northeast of Danville, Califo ...

, at an elevation of 440 feet (134 m). It is now a ghost town. It was a mining town for the nearby coal mines.GhostTowns.com
retrieved September 17, 2007 It was founded in the late 1880s and named for England's West Hartley coal mine.

References

* Former settlements in Contra Costa County, California Unincorporated communities in California Ghost towns in California Ghost towns in the San Francisco Bay Area Company towns in California Populated places established in the 1880s {{California-ghost-town-stub