One Tam

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!
Trail signs along the Dias Ridge Trail
Event
Hike the stunning Redwood Creek Trail on Mt. Tamalpais with One Tam partner staff. This is a One Tam member event - join us to learn more!
Forested surroundings of Redwood Creek Trail
Event
Learn about work happening to manage, protect and restore the unique and rare flora on Mt. Tamalpais. This is a One Tam member event - join us to learn more about supporting One Tam!
Sulfur tuft mushroom found in the Golden Gate National Parks.
Event
Join One Tam at Samuel P. Taylor State Park for a nature and science adventure!