Signature Events

Join us for an event where we celebrate nature, honor our supporters and raise funds for ACR programs and preserves.

Sep 8, 2018
Cypress Grove Research Center

Nature Hikes

Volunteer-led hikes offer the opportunity to explore outside while learning from trained and enthusiastic nature lovers.

Jan 26, 2018
Modini Mayacamas Preserves

Outdoor Learning

ACR scientists and local experts teach budding and experienced nature lovers of all ages about the natural world.

Feb 10, 2018
Lake Sonoma Visitor Center


ACR's over-800 volunteers make our programs possible. Get involved long-term or join us for a work day!

Jan 25, 2018
Modini Mayacamas Preserves

Preserve Visits

ACR preserves offer multiple opportunities to get outside onto our 5,000 acres of protected landscape. Come wander!

Mar 10, 2018
Modini Mayacamas Preserves

Members Events

Members at the Patron-level and above are invited to join us for these special-access hikes and outdoor excursions.

Sep 8, 2018
Cypress Grove Research Center