The Lafayette Police Department explained police activity that took place Wednesday, resulting in the closure of Happy Valley ...

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 ...

Save Mount Diablo said the group closed escrow on this “landmark conservation victory” a week after securing a $728,000 grant from the California Wildlife Conservation Board, which divvies up ...

SAN FRANCISCO (KRON) — Contra Costa County residents with views of Mount Diablo woke up to a beautiful, snowy sight Friday morning. A chilly and wet March storm dusted mountain peaks around the ...

The Bay Area storm created a reason to visit the local peaks. NBC Bay Area's Christie Smith found a few families atop Mount Diablo in Contra Costa County playing in a dusting of new snow.

The California State Board of Education on Wednesday will consider a proposal by families in the wealthy Northgate neighborhood of Walnut Creek to secede from Mt. Diablo Unified and form a new, ...

These winds got their name from Mount Diablo, a prominent peak in ... Similar to the Santa Ana winds in Southern California, Diablo winds can reach speeds of over 70 mph. Combined with dangerously ...

California transforms in spring with rolling hills of poppies and desert valleys bursting with color. Here’s where to catch the season’s best blooms.