Come explore the beautiful trails from Smith Canyon into Mount Diablo's beautiful Curry Canyon via mountain bike.AGE REQUIREMENT: 12+ years oldCome explore the beautiful trails from Smith Canyon into Mount…

Find out if you have arachnophobia or fall in love with spiders as you are introduced to the gentle giants of Mount Diablo.A scientist exploring California in the 1860s described…

Find out if you have arachnophobia or fall in love with spiders as you are introduced to the gentle giants of Mount Diablo.A scientist exploring California in the 1860s described…

Come and enjoy the fall weather at Borges Ranch. Stay after the hike and check out the old ranch buildings and farm animals.Come and enjoy the fall weather on a…

Come join Save Mount Diablo for a day of beginning rock-climbing instruction at Mount Diablo's Pine Canyon.AGE REQUIREMENT: 14+ years oldCome join Save Mount Diablo for a day of beginning…

Come celebrate Halloween on the trails of Black Diamond Mines; costumes are welcome! We’ll climb to Rose Hill Cemetery and beyond.Come celebrate Halloween on the trails of Black Diamond Mines…

We'll hike Bob Walker Ridge through native blue oak forests and enjoy a closeup view of the eastern side of Mount Diablo.We’ll hike Bob Walker Ridge through native Blue Oak…

Hike through 3 adjacent parks for changing glimpses of Castle Rocks, the sandstone formations above Pine Creek where peregrine falcons nest.Hike the trail above Castle Rock Recreation Area to Pine…

Join Save Mount Diablo for a beautiful evening of plein air painting on Curry Canyon Ranch.Join us for a beautiful evening of plein air painting at Save Mount Diablo's Curry…

We'll venture out into the oak grasslands along the shoreline of Los Vaqueros Reservoir to see what winter brings to the land.We’ll venture out into the oak grasslands along the…

Join Save Mount Diablo for a lovely hike among Walnut Creek Open Space blue oak woodland.This loop hike through blue oak woodland leads us from Borges Ranch into the adjacent…