Save Mount Diablo has come a long way since 1971. Scroll down to view some of our major accomplishments over the years.
Cleanup and restoration work accomplished throughout the Mount Diablo region
Staff and volunteers hauled 250 pounds of trash from the Thomas Home Ranch and removed debris and graffiti from Pine Canyon. They also planted and protected 1,000 native plants and trees.
Governor Gavin Newsom signed AB/SB 155, permanently preserving Tesla Park and creating a new state park.
This victory came after over 20 years of campaigning by Save Mount Diablo and other organizations who are part of the Friends of Tesla Park coalition.
Elusive American badger sighted at Curry Canyon Ranch
American badgers disappeared from Mount Diablo in the 1970s, but they are starting to make a return to the region.
Endangered California condor returns to Mount Diablo and Contra Costa County for the first time in over 100 years
Pinnacles Condor 828 flew north from Pinnacles National Park and circled around the eastern flanks of Mount Diablo before returning south to Pinnacles, covering over 100 miles each way. Her appearance gives hope that California condors may one day return to Mount Diablo and Contra Costa County.
Save Mount Diablo organized grassroots movement against the City of Concord’s decision to make Seeno Master Developer
After the Concord City Council threw the massive Concord Naval Weapons Station reuse project into jeopardy by choosing Seeno/Discovery Builders as Master Developer, Save Mount Diablo organized to rally Concord residents whose voices were ignored. The petition to reverse the decision got over 18,000 signatures.
Save Mount Diablo teaches course entitled History of Land Conservation Nationally and in the Mount Diablo Area, the Original and Future Stewards, and Careers in the Field at CSU East Bay
More than 28 square miles preserved at Tassajara with the creation of the Tassajara Agricultural Preserve
After eight years of work by Save Mount Diablo, the Contra Costa Board of Supervisors approved the 125-unit Tassajara Parks project. The Board adjusted the urban limit line and created the 17,666-acre Tassajara Agricultural Preserve. They also dedicated 727 acres to the East Bay Regional Park District.
Save Mount Diablo completed $15 million Forever Wild Campaign, permanently protecting 1,681 acres
Two more OpenRoad videos about Save Mount Diablo’s work broadcasted
OpenRoad with Doug McConnell broadcasted a new video about Save Mount Diablo’s work on NBC Bay Area.
Save Mount Diablo commits to planting and protecting 10,000 native plants and trees as part of our Climate Action Plan
Save Mount Diablo passed a comprehensive organization-wide Climate Action Plan
Save Mount Diablo’s Climate Action Plan (CAP) outlines how our organization will use its strengths to accelerate reduction of our carbon footprint and increase our already significant contribution to addressing the climate crisis in the Diablo region. The CAP is organized by outcome-oriented objectives for major programmatic areas, including advocacy, land acquisition, stewardship, education, financial management (finances and fundraising), and organizational footprint. These objectives are associated with numerous actions that when completed will meet the objective.
Save Mount Diablo files a lawsuit against the City of Pittsburg over approval of the Faria/Southwest Pittsburg Hills Annexation project
The project violates Pittsburg’s General Plan, state planning and zoning law, and the California Environmental Quality Act (CEQA). CEQA requires legally adequate environmental review, consideration of appropriate alternatives, and implementation of mitigations to reduce impacts.
Save Mount Diablo continues Nature Heals and Inspires Zoom series, attracting over 2,000 participants
Save Mount Diablo expanded Discover Diablo free public hikes program
Save Mount Diablo expanded its Discover Diablo free public hike series to also include mountain biking and rock-climbing events, bilingual Spanish-English hikes, and a total of 36 events (up from 24).
Save Mount Diablo launched Diablo Range Revealed series
Save Mount Diablo launched a new series with Joan Hamilton of videos, blog posts, and photo galleries exploring the Diablo Range and its recovery from the 2020 wildfires.
Save Mount Diablo voiced support for Contra Costa County’s decision to move forward with a comprehensive agricultural plan
With the Mount Diablo Interpretive Association, Save Mount Diablo created two new Audible Guides
Save Mount Diablo’s “The Morning Side of the Mountain” explores Morgan Territory Regional Preserve and MDIA’s new film, “The Return of the Pine Canyon Peregrines,” features Save Mount Diablo’s project to reintroduce peregrine falcons to Mount Diablo.
Cleanup work was accomplished throughout the Mount Diablo region
Staff and volunteers hauled 300 pounds of trash from the Thomas Home Ranch and removed dangerous bolts and glass shards from Pine Canyon.
A landslide win on Measure T in Antioch
We received a 79 percent yes vote on our Measure T, safeguarding nearly 2,000 acres in the Sand Creek area east of Black Diamond Mines.
Save Mount Diablo spoke out to hold the line on reservoir construction in Del Puerto Canyon and on the expansion of Los Vaqueros Reservoir
New and old trails were built and maintained, including a trail connecting Smith Canyon to Curry Canyon Ranch
Save Mount Diablo made comments supporting the declaration of a Climate Emergency in Contra Costa County
Save Mount Diablo began monitoring the proposed Aramis solar project
The East Bay Regional Park District approved a land-use plan for Concord’s first regional park
Located at the decommissioned Concord Naval Weapons Station, this new regional park is three times the size of Angel Island. The land-use plan designates the park as 95 percent open space with 27 miles of new trails.
Forbes Magazine picked up Save Mount Diablo’s scavenger hunt
Two OpenRoad videos about Save Mount Diablo’s work broadcasted
OpenRoad with Doug McConnell broadcasted a video about Save Mount Diablo’s work to protect North Peak and a video about the Diablo Range on NBC Bay Area.
The Antioch City Council unanimously endorsed Save Mount Diablo’s initiative to save Sand Creek, and the initiative was placed on the November 2020 Antioch ballot
Antioch voters will have the chance to protect the prettiest three miles in Antioch in November 2020.
Save Mount Diablo continued advocating for protection of Tesla Park
Tesla Park is part of a critical wildlife corridor connecting Mount Diablo to the 150-mile Diablo Range.
Save Mount Diablo volunteers and staff began lighting the Mount Diablo State Park Summit Beacon every Sunday as symbol of hope and inspiration during the global coronavirus pandemic
Volunteers and staff will continue to light the Beacon every Sunday evening and put it to rest every Monday morning until the pandemic crisis is over.
Save Mount Diablo launched our Nature Heals and Inspires Zoom series, attracting over 2,500 registrants
Save Mount Diablo acquired 28-acre Smith Canyon, a potential recreational gateway to Curry Canyon and the east side of Mount Diablo State Park
Danville voters passed Measure Y, protecting 381 acres of open space as the Magee Preserve
Bay Nature magazine published an article about the Diablo Range sponsored by Save Mount Diablo and the Santa Clara Valley Open Space Authority
Save Mount Diablo and Concord Mt. Diablo Trail Ride Association signed an option agreement, 15 years in the making, to protect 154 critical open space acres on Mount Diablo’s North Peak
Save Mount Diablo has two years to raise a little more than $1.04 million to complete the conservation easement.
The first 2,216 acres of the former Concord Naval Weapons Station is conveyed to the East Bay Regional Park District, creating the first regional park in Concord, Concord Hills Regional Park
More than 300 acres will be transferred at a later date; the new regional park will total 2,537 acres.
Danville Town Council voted unanimously to protect 93 percent of the Magee Ranch as the Magee Preserve, including beautiful and ecologically important hills connecting to Sycamore Valley Regional Open Space Preserve
Seth Adams’s oral history published
As part of the California Land Trust Oral History Project the The Bancroft Library, the Institute for the Study of Societal Issues at UC Berkeley published Seth Adams’s oral history, Moving Mountains: Thirty Years of Dynamic Northern California Land Acquisition and Open-Space Advocacy as Land Conservation Director of Save Mount Diablo
Audible Mount Diablo guides became available as podcasts
Two OpenRoad videos about Save Mount Diablo’s work broadcasted
OpenRoad with Doug McConnell broadcasted Save Mount Diablo Conservation Collaborative: A Program Connecting Kids with Nature and An Interview with Seth Adams: Defending the Pittsburg Hills, Youth Advocacy, and Imagining a Summit-to-Sea Trail on NBC Bay Area
Diablo Watch 30th anniversary
Save Mount Diablo celebrated the 30th anniversary of publishing its magazine, Diablo Watch
Measure FF passed with 84.2% of the vote, extending East Bay Regional Park District funding for western Contra Costa and Alameda Counties
Save Mount Diablo published its fourth edition of its Mount Diablo Regional Trail Map
The map is available in both print and mobile versions. The mobile map is georeferenced, allowing people to navigate on their phones.
Antioch City Council adopted the Sand Creek Area Protection Initiative proposed by Save Mount Diablo and its partners, increasing protection for more than 1,200 acres of hills, creek, and rare wildlife habitat in south Antioch
Audible Mount Diablo released a brand new guide (on Black Diamond Mines) and two updated ones
Three Audible Mount Diablo guides released: Black Diamond Mines, Rock City, and Plants of Twin Peaks.
Proposition 68—California Clean Water & Safe Parks Act passed
On June 5, 2018, California voters passed Proposition 68, a $4-billion bond measure called the California Clean Water & Safe Parks Act. Save Mount Diablo worked together as part of a larger statewide coalition to get the word out on multiple fronts prior to the election. Of measures that Save Mount Diablo has supported, this brings our tally to a total of 12 of 12 WINS at the ballot.
Second OpenRoad video broadcasted
OpenRoad with Doug McConnell broadcasted A Vision for Mount Diablo: East Contra Costa County Advocacy in Action on NBC Bay Area.
Save Mount Diablo celebrated the 30th anniversary of its first staff person, Seth Adams (now Land Conservation Director), at a sold-out event at the Lesher Center of the Arts
Save Mount Diablo acquired 95-acre Anderson Ranch
Save Mount Diablo acquired our first perpetual conservation easement
One new Audible Mount Diablo guide and two updated guides released
Three Audible Mount Diablo guides released: Mitchell Canyon (originally released in 2012), Introducing Mount Diablo (originally released in 2010), and A Geology Tour on the Mary Bowerman Trail.
First OpenRoad video about Save Mount Diablo’s work broadcasted
OpenRoad with Doug McConnell broadcasted A 4-Day Trek on the Diablo Trail: Trek Across One of the Largest Wild Landscapes in Urban America on NBC Bay Area.
Save Mount Diablo implemented a new annual free guided public hikes series, “Discover Diablo”
45th Anniversary—Protected land has expanded from 6,788 acres to 110,000
Optioned 88-acre North Peak Ranch
Marsh Creek Trail proposed
Won 11 out of the last 11 ballot measures since 2005
Implemented plan to address Curry Canyon Ranch loan
Achieved national accreditation from Land Trust Accreditation Commission
Created and adopted new rolling three-year Strategic Plan
Won California Nonprofit of the Year Award for Assembly District 16
Implemented new Conservation Collaboration Agreement program
Expanded conservation buyer program, including use of conservation easements
Protected 76-acre Hanson Hills property with East Bay Regional Park District and East Contra Costa County Habitat Conservancy
Mount Diablo buckwheat rediscovered by botanists Heath Bartosh and Brian Peterson of Nomad Ecology
Trail Through Time, an Audible Mount Diablo guide, released
Restored a volcanic dome on Marsh Creek Road
Total event attendance tops 5,000
10 years working on the Concord Naval Weapons Station reuse plan
Executive Director Ted Clement hired, Ron Brown retires
Audible Mount Diablo guide about Rock City released
Big Bend protected, the most recent protected segment of Marsh Creek. Marsh Creek protection now totals 15 of 33 miles
Created a Dublin Urban Limit Line to protect Doolan Canyon
Two Audible Mount Diablo guides released
Two Audible Mount Diablo guides released: Los Vaqueros and Perkins Canyon.
Finally! 1,080-acre Curry Canyon Ranch acquired for $7.2 million (including a $4.5 million loan)
1,885-acre Roddy Ranch protected near Antioch
Created Mary Bowerman Science and Research Program
Over the next three years, funded a dozen small grants under the new Mary Bowerman Science and Research Program
Morgan Fire burned 3,300 acres
Historic “Eye of Diablo”—Mount Diablo beacon—restored
Audible Mount Diablo guide on plants of Twin Peaks released
Acquired more of Highland Ridge
Removed 20,000 lbs. of debris from Thomas Home Ranch, then transferred it to EBRPD
Co-founder Art Bonwell passed away at age 85
Four Audible Mount Diablo guides released
Four Audible Mount Diablo guides released: Round Valley, Lime Ridge, Curry Point, and Mitchell Canyon.
Helped keep Mount Diablo State Park from being closed again
Defended the Urban Limit Line in Brentwood and San Ramon ballot measures
Opposed a name change for Mount Diablo
First two Audible Mount Diablo guides released
First Audible Mount Diablo guides released, Grand Loop and Introducing Mount Diablo.
165-acre Viera-North Peak purchased—highest private parcel in the county
Restoration at Irish Canyon and Marsh Creek IV
Protected 399 acres
Helped pass EBRPD’s $500 million Measure WW
Two new wildflower species discovered at at Lime Ridge
Save Mount Diablo closed escrow on Irish Canyon and Marsh Creek, preserving a total of 537 acres
East Contra Costa County Habitat Conservation Plan created—providing millions of dollars in the coming years
First Mount Diablo area recreational map created
Our first BioBlitz (at Irish Canyon)
Mangini Ranch protected
Measure L made the Urban Limit Line stronger
Our first Mount Diablo Bike Challenge
Mount Diablo buckwheat rediscovered after being presumed extinct for 69 years
Co-founder Mary Bowerman passed away at age 97
Completed 16 years of work to preserve 3,000-acre Riggs Canyon
Mount Diablo Gateway property protected
First house torn down for environmental restoration in Contra Costa County
Urban Limit Line changes require voter approval now
Morgan Red Corral and Joseph Galvin Ranch protected
Opposed the Los Vaqueros expansion ballot item
4,000 acres added to Diablo preserves, including 3,647-acre Cowell Ranch
Seeno’s 640-acre Morgan Territory Ranch protected and a $1 million fine. SMD continued opposition to FUA #1 and the County Open Space funding measure
Save Mount Diablo expanded area of interest to include Altamont Pass area
Five peregrine falcon chicks fledged in Diablo region
Wright/Curry property protected
30th Anniversary—EBRPD designated crest of Highland Ridge in Morgan Territory as “Founders Ridge”
Aided fundraising efforts at Cowell Ranch
Deal on Cowell Ranch
Contra Costa County’s Urban Limit Line tightened
Silva Ranch acquired
1,123-acre easement at Roddy Ranch
Turtle Rock Ranch Resort protected
Final Blackhawk dedication in the Black Hills, Oyster Point Area
First part of Clayton Ranch protected
Athenian School land dedication
Center of Black Diamond Mines protected
Opposed Pittsburg Southeast Hills annexation, Cowell Ranch and Tassajara developments
Helped preserve Vasco Caves
Save Mount Diablo opens its first office
Brushy Peak Regional Preserve created
Lower Sycamore Canyon protected
Co-founders Arthur Bonwell and Dr. Mary Bowerman received a Chevron-Times Mirror Magazine National Conservation Award
Significant acquisitions at Round Valley and Lime Ridge Open Space
Round Valley expanded
Chaparral Spring acquired, first parcel in Black Diamond Mines corridor
Proposed 30-mile “Diablo Trail” from Walnut Creek to Brentwood
Lime Ridge Open Space expanded
More of Riggs Canyon protected
Last year of peregrine falcon reintroduction program
Proposed a Mount Diablo to Black Diamond Mines corridor
Three Springs protected
Stopped development at Chaparral Spring
Stopped development at Clayton Ranch
First County Urban Limit Line
Prop. 117—mountain lion initiative—passed
Reintroduced peregrine falcons to Mount Diablo
631-acre Morgan Ranch—first connection from Mount Diablo to Morgan Territory Regional Preserve; fought three Contra Costa landfill proposals; first part of Round Valley protected
Successful referendum of Crystyl Ranch project, resulting in 330 acres of open space
400 supporters grew to 1,500
First significant foundation grant
Helped pass state park bond, then EBRPD’s $225 million Measure AA
Boy Scout Camp Force in lower Rock City protected
Save Mount Diablo hired first staff
Castle Rock protected
Riggs Canyon preservation continued
First Strategic Plan created
Part of Curry Canyon, Coyote Creek, and Morgan Territory Ridge protected
Contra Costa General Plan Congress
More of Pine Canyon protected
Black Point area transferred from the BLM to California State Parks
Protected Soto Ranch—White Canyon
Mount Olympia protected
Emmons Canyon and Rhyne Canyon protected
Mount Diablo designated as a National Natural Landmark
Created Concord’s Pine Hollow Open Space
First Blackhawk dedications—largest donation to California State Parks system in history
Supported down zoning in the Tassajara Valley
North Peak and Prospectors Gap preserved
Funding for the Las Trampas to Mount Diablo Trail
Opposed PG&E high tension lines through Black Diamond Regional Preserve and Mount Diablo State Park
Save Mount Diablo opposed Bogue Ranch in Alamo
Protected Oyster Point area and the Falls Trail area
Save Mount Diablo earned Mount Diablo designation as State Historical Landmark
Macedo Ranch protected
Huge fire on Mount Diablo’s northern slopes
Diablo Foothills Regional Park created
Perkins Canyon, Pine Canyon protected
Save Mount Diablo’s first direct acquisition, the 117-acre “Corner Piece”
Morgan Territory Regional Preserve created
Mitchell and White Canyons preserved
Supported Walnut Creek acquisition at Shell and Lime Ridges
Save Mount Diablo helped secure Land and Water Conservation Fund monies.
Pushed for the creation of Morgan Territory Regional Preserve
Opposed the first Blackhawk Plan
Supported the 1974 Park Bond Act
Save Mount Diablo began its first “April on the Mountain” hike series
Black Diamond Mines Regional Preserve and Shell Ridge Open Space created
Preserved Donner Canyon, part of Mitchell Canyon
SMD helps preserve Donner Canyon and part of Mitchell Canyon, advocates for Black Diamond and Shell Ridge
SMD helped preserve Donner Canyon, part of Mitchell Canyon, and pushed for the creation of Black Diamond Mines Regional Preserve and Shell Ridge Open Space, including support of state and local bonds for acquisition.
Lobbied for County Tree Preservation Ordinance
Save Mount Diablo established priorities
SMD established priorities, including the preservation of the mountain’s major peaks and expansion of Mount Diablo State Park to Morgan Territory and Highland Ridge. Save Mount Diablo also lobbied for creation of the County Tree Preservation Ordinance and opposed the Morgan Territory Estates development.
Save Mount Diablo began lobbying for California State Parks funding
According to the minutes taken at Save Mount Diablo’s founding, that same day, the organization immediately began lobbying for legislative funding, in this case specifically for passage of and funds from the Park Bond Act, AB 3066.
Save Mount Diablo founded
Save Mount Diablo is convened on December 7, 1971, Pearl Harbor Day, at Heather Farms Garden Center in Walnut Creek.