Join Save Mount Diablo on a meditation journey through Mangini Ranch!Beat the summer heat on this early morning outing on Mangini Ranch. Save Mount Diablo’s 208-acre property includes the headwaters…

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…

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…

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…

Save Mount Diablo is partnering with Mount Diablo Astronomical Society on this public stargazing night.Supernova! Why do some stars explode? Which star is next? Take home a sky map of…

Come 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 three-mile…

Save Mount Diablo and Branching Out Adventures invite all members of the LGBTQIA+ community on this queer themed hike!Save Mount Diablo and Branching Out Adventures are partnering up to invite…

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…