Come join us at Muir Woods to learn about bat ecology! We will have a brief discussion about bats and demonstrate how they are safely caught as part of an exciting bat monitoring and inventorying program.
Battery Townsley, at Fort Cronkhite, was San Francisco's most extensive--and most secret--World War II military fortification. Come visit and explore this labyrinthine battery.
Discover San Francisco's most extensive - and most secret - World War II military fortification. For more information, please call the Marin Headlands Visitor Center, (415) 331-1540.
Enjoy our beautiful National Park by exploring the Marin Headlands. Join volunteer Jane Haley on an easy walk around Rodeo Lagoon and learn about our feathered friends. Reservation required, please call (415) 331-1540.
Join Marin County Parks and One Tam at the scenic Gary Giacomini and French Ranch Preserves as we try to identify and document every living species we see! Hone your naturalist skills, learn to use the iNaturalist smartphone app, and contribute valuable data about Mt. Tam's biodiversity.
Join Marin County Parks and One Tam at the scenic Roy's Redwoods Preserve as we try to identify and document every living species we see! Hone your naturalist skills, learned to use the iNaturalist smartphone app, and contribute valuable data about our region's biodiversity.
Join One Tam for a morning of habitat restoration! We will be removing invasive French broom and other weeds near the scenic Bootjack Trail to make more space for diverse native species.
During this easy two-mile walk, hear about the challenges and triumphs of the African American "Buffalo Soldiers" during a time of overt racism and prejudice.
