Help restore and maintain gardens once tended by the island’s military and penitentiary residents—add life, color, and vibrancy to the Rock.

Help restore and maintain historic landscapes and cultural resources along the shoreline of San Francisco.

Help restore natural areas and create important wildlife corridors in the Presidio of San Francisco.

Hiking with a mission – help find and remove new infestations of invasive weeds while exploring the parks.

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

Become a Park Steward and help protect endangered species and restore sensitive habitat in Marin.

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

Help with vegetation management and site improvements at Sutro Heights and along the San Francisco shoreline.

Help enhance the Presidio’s historic gardens and grounds, as well as support the park efforts to become a model of environmental sustainability.

Join us for Day 3 of the 2020 One Tam Virtual Summit on Climate: Change and Resilience. This October, we'll explore a range of topics including climate change impacts in Marin, the work of One Tam and others to address them, intersections with public health and equity, the 2020 fire season that is deeply affecting the Bay Area, and more.

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

Help restore and maintain gardens once tended by the island’s military and penitentiary residents—add life, color, and vibrancy to the Rock.