One Tam

Volunteers at Work
Invasive Plant Patrol
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Hiking with a mission – help find and remove new infestations of invasive weeds while exploring the parks.

Registration Required
Volunteers at Work
Invasive Plant Patrol
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Hiking with a mission – help find and remove new infestations of invasive weeds while exploring the parks.

Registration Required
Habitat Restoration in Tennessee Valley
Habitat Restoration Team
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Help restore and protect critical natural areas from the Marin Headlands to Bolinas Ridge.

Registration Required
Habitat Restoration in Tennessee Valley
Habitat Restoration Team
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Help restore and protect critical natural areas from the Marin Headlands to Bolinas Ridge.

Registration Required
Habitat Restoration in Tennessee Valley
Habitat Restoration Team at Fort Baker
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Join us for MLK Weekend of Service and help restore and protect critical natural areas at Fort Baker.

Registration Required
Volunteers maintain the Muir Woods boardwalk
Muir Woods Maintenance Day - FULL
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Experience the majesty of the redwoods while lending your hand at Muir Woods!

Register Now
Volunteers at Work
Invasive Plant Patrol
-

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

Registration Required
Bird's-eye view of Lake Lagunitas in Marin County.
One Tam Guided Nature Walk with Marin Water
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Join Marin Water and One Tam for a guided walk around Lake Lagunitas!

Register via Marin Water
Bird's-eye view of Lake Lagunitas in Marin County.
Watershed Stewardship and Naturalist Walk
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Become a steward of the Mt Tamalpais Watershed! Join our work day and naturalist walk.

REGISTER
Bird's-eye view of Lake Lagunitas in Marin County.
Watershed Stewardship and Naturalist Walk
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Become a steward of the Mt Tamalpais Watershed! Join our work day and naturalist walk.

REGISTER

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