This year marks the 100th anniversary of Mount Diablo State Park. To celebrate, we've created a film about the mountain's natural heritage and human history, featuring naturalists Ken Lavin and…
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 and enjoy the fall weather on a…
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 celebrate Halloween on the trails of Black…
All Discover Diablo hikes are subject to, and will honor, all applicable COVID-19–related restrictions in place for our area. About this Event Enjoy spotting birds as we meander through the…
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…
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…
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…
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…
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…
Dr. Mary Leolin Bowerman co-founded Save Mount Diablo in 1971. Mary was a botanist and a student of the flora of Mount Diablo for over 70 years. In her honor,…
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…
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,…
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