Contra Costa

John Marsh Home

  • The purpose of the John Marsh Home property is to protect a stone mansion built in 1856 by a notable California pioneer.
  • The structure is listed on the National Register of Historic Places.
  • The property also contains a Native American cultural site.
  • Call (415) 330-6300
  • Visit http://www.parks.ca.gov/?page_id=525

Mount Diablo State Park

  • Mount Diablo was a principal feature in the cultural landscape and cosmology of many different Native Californian societies.
  • Drive to the top of the mountain for vistas of the Central Valley and San Francisco Bay area.
  • Rock City cultural preserve contains numerous bedrock mortar sites and some of the best examples of 1930s vintage CCC park architecture.
  • The Summit Museum highlights the cultural and natural history of Mount Diablo State Park.
  • Open daily from 8 a.m. to sunset
  • Call (925) 837-2525
  • Visit http://www.mdia.org
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