Pine Creek Loop Hike

Park Entrance Near 1700 Castle Rock Road Walnut Creek, CA 94598

All Discover Diablo hikes are subject to, and will honor, all applicable COVID-19–related restrictions in place for our area. About this Event Hike the trail above Castle Rock Recreation Area…

Jurassic Park Geology

Rock City Parking Lot South Gate Road Danville, CA

All Discover Diablo hikes are subject to, and will honor, all applicable COVID-19–related restrictions in place for our area.About this eventJoin us as we explore 180 million years of geologic…

Winter’s Transformations in the Oak Woodlands

Los Vaqueros Marina Parking Lot 9990 Los Vaqueros Road Byron, CA 94514

All Discover Diablo hikes are subject to, and will honor, all applicable COVID-19–related restrictions in place for our area. About this Event We’ll venture out into the oak grasslands along…

On Belay – Rock Climbing

Rock City Parking Lot South Gate Road Danville, CA

All Discover Diablo hikes are subject to, and will honor, all applicable COVID-19–related restrictions in place for our area. About this Event Come join Save Mount Diablo for a day…

Exploratory Hike – Del Puerto Canyon

Frank Raines OHV Park 17802 Del Puerto Canyon Road Patterson, CA 95363

All Discover Diablo hikes are subject to, and will honor, all applicable COVID-19–related restrictions in place for our area. About this Event Come join Save Mount Diablo on an exploration…

2nd Annual Pine Canyon Cleanup Day

Little Pine Creek Trail Head, off Northgate Rd, Mount Diablo State Park

Help Mount Diablo State Park celebrate its 100 year anniversary by removing graffiti and litter from the Castle Rocks! This event is in partnership with the Bay Area Climbers Coalition,…

DiRT Day: Habitat Restoration at Marsh Creek 4 & 6

3240 Aspara Dr 3240 Aspara Drive, Clayton, CA, United States

Enjoy the beauty of Mount Diablo’s foothills as we help native bunchgrasses, shrubs, and woody plantings on a volcanic dome and a riparian meadow. We planted and protected 1,000 native…

Dr. Mary Bowerman Birthday Hike

Lower Summit Parking Lot, Mount Diablo State Park Summit Road, Mount Diablo State Park, Mount Diablo State Park, Mount Diablo State Park, Walnut Creek, CA, United States

Celebrate Save Mount Diablo co-founder Mary Bowerman’s birthday with this special hike! The Mary Bowerman Trail is designed for hikers of all levels. The trail circles the peak just below…

Two Ridges & Creek Hike

Entrance to Shell Ridge Open Space End of Marshall Drive Walnut Creek, CA 94598

Mount Diablo’s two peaks rise above us as we climb Shell Ridge via a gentle switchback, hike that ridge and the next, then descend and complete our loop via the…

Annual State of the Mountain Address 2022

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It's that time again: time to reflect on the year just past and time to set our plans for the new year. Please join us for Save Mount Diablo Executive…

Exploratory Hike—Del Puerto Canyon

Frank Raines OHV Park 17802 Del Puerto Canyon Road Patterson, CA 95363

Come join Save Mount Diablo on an exploration into the heart of the Diablo Range. Enjoy amazing views of steep rugged hillsides, beautiful wildflowers, soaring raptors, and the damage from…

Join us to save the remaining natural lands of Mount Diablo!

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