a challenging out-and-back hike that rewards trekkers with 360-degree views from the top of Mount Diablo. On a clear day, ...

To that end, Kohler has donated thousands of dollars to preserve and restore the Mount Diablo Beacon, which is lit three times a year — on Memorial Day, Veterans Day and Pearl Harbor Day.

Save Mount Diablo will expand its free Discover Diablo Hikes and Outings program in 2025, including into areas rarely open to the public. The Walnut Creek-based nonprofit conservation group's ...