Save Mount Diablo will expand its free Discover Diablo Hikes and Outings Program in 2025, including into areas rarely open to the public. The nonprofit conservation group’s program offers guided ...

The Bay Area storm created a reason to visit the local peaks. NBC Bay Area’s Christie Smith found a few families atop Mount ...

The trail was a wide path snaked with deep cracks ... An ancient undersea volcano, Mount Diablo, which now rises some 3,800 feet above sea level, was once surrounded by water.

That land will now be permanently preserved and managed as part of a new state program focused on the San Andreas fault’s ...