Our Mission

Connecting nature, people and science in a rapidly changing world

Our Vision

Inspired and informed communities use scientific knowledge to build a resilient, sustainable society that respects the intrinsic value of our natural world.

Audubon Canyon Ranch (ACR), is a 501(c)(3) not-for-profit environmental conservation and education organization. It was founded in 1962 to save a major heronry and block commercial development of Bolinas Lagoon in western Marin County, leading the way for the protection of Tomales Bay to the north. Today, Audubon Canyon Ranch stewards a system of nature preserves totaling 5,000 acres across 26 properties in Marin, Sonoma and Lake counties and conducts conservation science that in turn informs its education programs and directs its work on some of the region's most challenging environmental issues.

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ACR’s conservation science program has monitored the North Bay region nesting successes of herons and egrets for over 40 years, collected long-term data sets on wintering shorebird and waterbird populations on Tomales Bay for over 30 years, and is using GPS to track the movements of individual mountain lions in the Sonoma Valley and Great Egrets and Long-billed Curlews on the coast.

ACR's Fire Forward program, founded in 2017, is advancing our community's ability to use “good fire" to reduce risk and build ecosystem resilience against climate-driven wildfire events.

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ACR’s experiential nature education program, which turned 50 in 2020, has connected more than 300,000 Bay Area children and adults to the wonders of nature, cultivating environmental literacy and a conservation ethic. ACR also stewards cultural treasures in our care, including the literary legacy of American author M.F.K. Fisher at her Last House at Bouverie Preserve.

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The lands upon which ACR operates are within the ancestral territories of the Coast Miwok, Southern Pomo and Wappo peoples. ACR recognizes that Indigenous communities are very much alive today and striving to protect and maintain relationships with cultural and natural resources on ACR lands; we fully acknowledge that Indigenous lands are still occupied by us and others.

ACR commits to putting our words into action by developing programs that exemplify our commitment to cultural and Indigenous equity, inclusion, and justice.

ACR's Main Preserves

Bouverie Preserve, Glen Ellen, CA

Cypress Grove Preserve, Marshall, CA

Martin Griffin Preserve, Stinson Beach, CA

Modini Preserve, Healdsburg, CA

Preserve addresses and contact info >

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Headquarters

ACR Headquarters are located at the Martin Griffin Preserve near the town of Stinson Beach in Marin County, CA.

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A Community Organization

ACR's programs are made possible thanks to the contribution of thousands of hours of volunteer service, and donations from caring individuals, foundations and businesses.

ACR is an independent nonprofit organization with 501(c)(3) status. Our tax ID number is 94-6069140.

Photo Credits: 

  • Scott Jennings
  • Paige Green
  • Wendy Coy