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 protect critical natural areas from the Marin Headlands to Bolinas Ridge.

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

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

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

The night tour is a 2-mile round-trip ranger-led walk in Muir Woods National Monument using the Redwood Creek and Hillside trails.

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

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

Enjoy an afternoon of live performances, arts and crafts, cultural ceremonies and more!