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.

Join us on Martin Luther King Jr. Day and restore and maintain historic Crissy Field!