Our mission is to forever preserve the remaining natural lands on and around Mount Diablo, and to protect Mount Diablo's connection to its sustaining Diablo Range.
Learn More about Our Mission
Please support Assembly Bill 1426 by sending a quick and easy email of support on our action website!
PROTECT THE DIABLO RANGE
Western monarchs are in crisis. This is where Save Mount Diablo comes to the rescue, and so can you!
COMING TO THE RESCUEYour donations make a huge difference in our success.
DonateVolunteer your time and skills! Assist with events, lead hikes, help in the office, and more.
VolunteerTake advantage of the beauty of Mount Diablo. Go on a hike!
ParticipateReach out to local officials on behalf of our organization to help make change.
AdvocateTake advantage of educational resources and experiences to build connections to the land.
LearnJoin our mailing list to keep up-to-date with information from our team.
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Earlier this year, the approval of a new route for the proposed relocation of Del Puerto Canyon Road renewed concerns about the Del Puerto Canyon Reservoir project moving forward. Beautiful…
Read MoreWe protect natural lands through acquisition; cooperative efforts with parks, developers, and landowners; and conservative easements.
Learn MoreWe defend Mount Diablo and its foothills from threats of development through land use planning and advocacy.
Learn MoreWe restore habitats prior to transfer to public agencies for permanent preservation and public use.
Learn MoreWe help people enjoy Diablo's parks through events and educational and recreational opportunities.
Learn MoreWe help people enjoy Diablo's parks through events and educational and recreational opportunities.
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Protected Lands from 1971–2024
In 1971, there was just one park on Mount Diablo. It consisted of only 6,788 protected acres, mostly around the peak. Working with partners such as California State Parks, Contra Costa County, the East Bay Regional Park District, local cities, the Coastal Conservancy, Contra Costa Water District, and others—we, together with the help of generous supporters like you, have pieced together a conserved expanse of Diablo wild lands that today is greater than 120,000 acres, an area bigger than Point Reyes National Seashore or the Golden Gate National Recreation Area.
Although we and our partners have had tremendous success at reassembling a large swath of the wild lands around Mount Diablo, there is still much work to do to save the remaining unprotected lands and allow our community to grow.
Protected LandsGet our free regional trail map!
Includes trails and parks on and around Mount Diablo and Los Vaqueros watershed.
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Join us to save the remaining natural lands of Mount Diablo!
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