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Explore the south side of California’s second largest state park via Hunting Hollow Road. Distance: Six miles Elevation change: 417 feet Difficulty: Easy Hiking time: Three hours Trail surface: Dirt…

Want to spend your afternoon on a beautiful trail with amazing views? Check out Donner Canyon, the Falls Trail, and the Donner Creek loop at Mount Diablo State Park! Distance:…

CONTRA COSTA COUNTY— Explore some of the East Bay’s premiere hiking spots with Save Mount Diablo in 2022, including areas rarely open to the public. The Discover Diablo hikes and…

CONTRA COSTA COUNTY—Explore some of the East Bay’s premiere hiking spots with Save Mount Diablo in 2021, including areas rarely open to the public. The Discover Diablo hike series offers…

Future Recreational Gateway to Mount Diablo State Park Clayton, CA—Save Mount Diablo (SMD) has successfully closed escrow and become the proud new owner of the beautiful and strategic 28.73-acre Smith…

WALNUT CREEK, CA—Mount Diablo State Park’s Beacon will be lit after sunset in response to the coronavirus (COVID-19) pandemic on Sunday, April 12. Thereafter, until the pandemic crisis is over,…

Join Save Mount Diablo in exploring the Bay Area’s beautiful wild lands and open spaces. Discover Diablo is a free public hike program that offers an annual schedule of guided interpretive family walks, hikes, and property tours open to any and all trailblazers looking to get out in nature. The Discover Diablo program seeks to build awareness of local land conservation efforts and nurture relationships between our community and the amazing natural world of the Mount Diablo area. Generously sponsored by the Shell Martinez Refinery for a fourth year, the 2020 Discover Diablo free public hike series will begin on January 25th.

California hasn’t opened a new state park since 2009. A confluence of budget deficits, political choices and failed ballot measures is to blame. But with a state budget surplus and a new governor, parks advocates are hoping for a turnaround. Read more.

Watch the following video clip from A Vision for Mount Diablo (a segment featuring SMD in a recent episode of “OpenRoad with Doug McConnell” which aired on NBC Bay Area this past Earth Day.) Follow along as Save Mount Diablo’s Executive Director Ted Clement and Seth Adams, Land Conservation Director, take a tour of Marsh Creek State Park, and discuss why voting YES on Prop 68 is so important.

Watch “A Vision for Mount Diablo: East Contra Costa County Advocacy in Action”, broadcasted on NBC Bay Area’s OpenRoad with Doug McConnell on Earth Day, April 22, 2018 | Explore eastern Contra Costa County, one of the fastest growing regions in the Bay Area, and encounter significant land use choices facing people there and statewide that will affect the future of parks and open spaces in Contra Costa for generations to come.