One Tam

Volunteers at Work
Events
Bicentennial Camp
Hiking with a mission – help find and remove new infestations of invasive weeds while exploring the parks.
Habitat Restoration in Tennessee Valley
Volunteer
Willow Camp Trailhead
Help restore and protect critical natural areas from the Marin Headlands to Bolinas Ridge.
Habitat Restoration in Tennessee Valley
Volunteer
Stinson Beach Parking Lot
Help restore and protect critical natural areas from the Marin Headlands to Bolinas Ridge.
Habitat Restoration in Tennessee Valley
Volunteer
Battery Alexander Trailhead and Parking Lot
Help restore and protect critical natural areas from the Marin Headlands to Bolinas Ridge.
A gray fox sits atop a log in the woods of mount tamalpais scratching its ear with its foot.
Event
Marin Municipal Water District Office
Join us to learn about the Marin Wildlife Watch volunteer program!
A gray fox sits atop a log in the woods of mount tamalpais scratching its ear with its foot.
Event
Online/Virtual
Join us to learn about the Marin Wildlife Watch volunteer program!
A gray fox sits atop a log in the woods of mount tamalpais scratching its ear with its foot.
Event
Online/Virtual
Join us to learn about the Marin Wildlife Watch volunteer program!
Sulfur tuft mushroom found in the Golden Gate National Parks.
Event
Bootjack Trailhead
Join us on Mt. Tam for a nature and science adventure!
Orange, black and white monarch butterfly seen landing on purple milkweed flowers.
Volunteer
Join us in a community planting day to enhance Monarch habitat!
Orange, black and white monarch butterfly seen landing on purple milkweed flowers.
Volunteer
Join us in a community planting day to enhance Monarch habitat!