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Mount Diablo State Park

Park managed by: California Department of Parks and Recreation

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Wildlife Sightings

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At this Park


19618 acre Park managed by: California Department of Parks and Recreation

On a clear day, especially after a winter storm, views from Mount Diablo’s 3849 foot summit can extend to the ridges of the Sierra.

The mountain slopes provide habitat for over 100species of animals and 650 species of flowering plants.  Over 90,000 acres on and around the mountain are now preserved. Miles of hiking, biking, and equestrian trails are accessible from a number of staging areas.


Official Park Page
Overnight on Diablo

by Ryan Branciforte

From Shell Ridge Open Space to the city of Clayton. A one-way, two-day backpack from Walnut Creek’s Howe Homestead Park through Shell Ridge Open Space and Diablo Foothills, over Diablo summit, down to Donner Canyon trailhead in Clayton… I met my good friend Jereme at the Walnut Creek BART station on Friday afternoon after a […]

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