Become a steward of the Mt Tamalpais Watershed! 

Become a steward of the Mt Tamalpais Watershed! Join our work day and naturalist walk.

Become a steward of the Mt Tamalpais Watershed! Join our work day and naturalist walk.

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

Experience the majesty of the redwoods while lending your hand at Muir Woods!

Join us for a transformative and restorative day at the Presidio Nursery!

Join us on Martin Luther King Jr. Day and help restore and maintain historic landscapes and cultural resources throughout Fort Mason.