the atlas of horror. every pin is a real place.
Atlas › Ghost towns
Ghost town

Black Diamond Mines Regional Preserve

A ghost town in California. The Black Diamond Mines Regional Preserve is a 6,000-acre (2,400 ha) park located north of Mount Diablo in Contra Costa County, California under the administration of the East Bay Regional Park District (EBRPD). The district acquired the property in 1973.

See it on the live map

Source: en.wikipedia.org

Nearby on the Atlas
HorrorMeet is the horror fans' own site, free to join. A mapped atlas of 2,347 real horror places, premiere Q&As from the rooms most people never get into, a free library of public domain horror, and a shelf of independent films. Join free