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Martin Griffin Photos
Martin Griffin Videos
Modini Mayacamas Photos
Modini Mayacamas Videos
Signature Events
Join us for an event where we celebrate nature, honor our supporters and raise funds for ACR programs and preserves.
Nature Hikes
Volunteer-led hikes offer the opportunity to explore outside while learning from trained and enthusiastic nature lovers.
Outdoor Learning
ACR scientists and local experts teach budding and experienced nature lovers of all ages about the natural world.
Volunteer
ACR's over-800 volunteers make our programs possible. Get involved long-term or join us for a work day!
Preserve Visits
ACR preserves offer multiple opportunities to get outside onto our 5,000 acres of protected landscape. Come wander!
Members Events
Members at the Patron-level and above are invited to join us for these special-access hikes and outdoor excursions.
