The 5-acre parcel was donated to conservation group Save Mount Diablo by Bob Nunn in memory of his late father, Ron.

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When botanist Mary Bowerman and engineer Art Bonwell founded Save Mount Diablo in 1971, the state park they set out to expand covered 6,778 acres at the summit of Contra Costa County's iconic mountain ...

A surveyor named Leander Ransom trekked to the top of Mount Diablo in the blistering summer heat of 1851 to mark the starting point for determining property boundaries in Northern California and ...

Preparing for the 2014 Save Mount Diablo Scholastic Photo Contest, 11-year-old Annie McClain said it best: “I believe we should save Mt. Diablo because Mt. Diablo is incredibly beautiful and has ...

What you’ll see: The northwest winds of spring can clear the air and provide the best views of the year from the Mount Diablo summit, along with several other lookouts on the mountain. Diablo ...

CONTRA COSTA COUNTY, Calif. (BCN) - An injured mountain biker was rescued Saturday from Mt. Diablo in unincorporated Contra Costa County by a Contra Costa County sheriff's helicopter, sheriff's ...

WALNUT CREEK, Calif. – Federal officials have rejected a request to change the name of Mount Diablo after receiving complaints that it was offensive to some religions. The U.S. Board on Geographic ...

Cycling has recently made major inroads in NYC, but the urban terrain is unlikely to cut it for people seeking a more high-octane expedition on two wheels. For that, head to Diablo Freeride Park in ...