The range, which is 200 miles long and 3.5 million acres in size, runs through 12 counties, marked notably by Mount Diablo on the northern edge, in Contra Costa County. About 25% of the land in ...

Hiking Mount Diablo offers visitors breathtaking views in spite of its relatively modest height; at its summit, it is 3,849 feet. Mount Diablo sits centered in a valley with its nearby hills at ...

WHAT YOU'LL SEE: The 17-mile drive from South Gate to the 3,849-foot summit at Mount Diablo leads to a landmark perch for views and access to two great trailheads. From the upper parking lot, it's ...

Mount Diablo State Park has three designated family camping areas and five group camps for visitors to enjoy. On the first of each month, camping startup dates become available to campers, up to ...

On Mount Diablo, the hard-to-miss rise that towers over the East Bay, a number of local nonprofit organizations have lined up dozens of guided wildflower-centric hikes in anticipation of the ...

The exhilarating but dangerous experience of riding a bicycle up and down Mount Diablo soon may get considerably safer after 70 turnouts are built along the route’s shoulder, thanks to an ...

The exhilarating but dangerous experience of riding a bicycle up and down Mount Diablo soon may get considerably safer after 70 turnouts are built along the route’s shoulder, thanks to an ...

Save Mount Diablo’s fundraising campaign, Forever Wild, finished last year after reaching its $15 million goal with most of the donations coming from private contributors, Clement said.

MOUNT DIABLO — Mike Woodring found his path to fitness and happiness on the trails of this mountain. The 68-year-old hiked all 162 miles of them. He lost 50 pounds and said he found peace after ...