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Trail in Roy's Redwoods Preserve
Membership Event: Exploring Roy's Redwoods Nature Preserve
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Roy’s Redwoods is a unique old-growth redwood preserve in Marin County, offering free and accessible access while benefiting from a recent restoration project to improve forest health and trails. This guided tour with Project Manager Rob LaPorte will explore the restoration efforts and the natural wonders of this special place.

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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 to celebrate Earth Day!

Register via Marin Water
Habitat Restoration in Tennessee Valley
[CANCELLED] Habitat Restoration Team at Fort Baker
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Join us to celebrate Earth Day and Spring Days of Service and help restore and protect critical natural areas at Fort Baker.

Habitat Restoration in Tennessee Valley
Habitat Restoration Team at Tennessee Valley
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Join us to celebrate Earth Day and Spring Days of Service and help restore and protect critical natural areas in Tennessee Valley.

Registration Required
Discovering local flora and fauna during the City Nature Challenge.
City Nature Challenge: Bioblitz at Lands End
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Join us for the City Nature Challenge at Lands End! 

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

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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
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
A volunteer gives a thumbs up at Crissy Field in San Francisco with a backdrop of the Golden Gate Bridge and the Warming Hut.
Golden Gate Maintenance - Planting native Beach Strawberry at Crissy Field
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Join us to celebrate Earth Day and restore and maintain historic Crissy Field! 

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