A woman was rescued by a CHP helicopter Sunday after falling 100 feet during a hike on Mount Diablo, officials said. Officials said the San Ramon Valley fire dispatch received a call around 2:15 p.m.

DANVILLE -- For years, one of the Bay Area's most popular cycling destinations -- the summit of Mount Diablo -- has also been one of the most dangerous. This Saturday, bike riders and park officials ...

WALNUT CREEK — There’s an inherent peril looming behind the estimated 150,000 cyclists who make the climb up Mount Diablo’s steep 3,849-feet summit each year: motorists speeding past them along the ...

BRENTWOOD – In another step toward protecting Mount Diablo, 5 acres are now secured from future development following a donation by the Nunn family. Known as the Nunn-Paulsen inholding, the land was ...