All Ages

Help protect endangered species and restore sensitive habitat while enjoying a day in the park.

Occupiers who were brought to the island by their parents between 1969 and 1971 share their perspectives of being a kid during the Occupation. In conjunction with Junior Ranger Day.

Join Marin Municipal Water District, One Tam and the California Academy of Sciences at Lake Lagunitas to investigate mushroom biodiversity in this mycoblitz. Hone your naturalist skills, participate in community (citizen) projects through the North American Mycoflora Project and iNaturalist and become our scientific collaborator for a day! 

Join us for a free screening of the new documentary "Yours Truly" at the Presidio Theatre. 

Learn to grow and care for native plants while helping to preserve and restore your national park.

Learn to grow and care for native plants while helping to preserve and restore your national park.

Learn to grow and care for native plants while helping to preserve and restore your national park.

Learn to grow and care for native plants while helping to preserve and restore your national park.

Become a Park Steward and help restore unique San Francisco coastal habitat.

Join the partners of One Tam for a day of service on our beloved mountain.