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Scurfy Twiglet mushrooms growing in the winter.
Fungus Fair at Presidio Tunnel Tops
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Join us outside the Field Station at Presidio Tunnel Tops explore the weird and wonderful world of fungus!

Looking for fungi and mushrooms in the Golden Gate National Recreation Area.
Fungi Walk in the Presidio
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Join us for an easy and adventurous walk in the Presidio to learn about and find local fungi! 

A woman stands amidst towering redwood trees in a forest.
"Giants Rising" Film Screening
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Join us for a screening of the film, "Giants Rising" in Marin City.

Registration Required
A volunteer strikes a pose while helping to restore Tennessee Valley.
Tennessee Valley Stewards - FULL
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Get your hands dirty while restoring and protecting Tennessee Valley's native plant communities.

Registration Required
Bird's-eye view of Lake Lagunitas in Marin County.
One Tam Restoration Day with Marin Water
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Join Marin Water and One Tam for their first habitat restoration event of 2025!

Register via Marin Water
Bird's-eye view of Lake Lagunitas in Marin County.
Watershed Stewardship with Marin Water
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Become a steward of the Mt Tamalpais Watershed! 

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
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
People in Nature Artwork at Lands Ends
Parks As Ancestors: A Reflective Walk
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Join us for a moderate walk and talk to learn about how our parks bring us closer to our more than human world and to each other!  

Register
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

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