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Support One Tam
to care for Mt. TamJoin One Tam today
for a healthy Mt. Tam tomorrowPhoto by Lieven Leroy
One Mountain, One Team
With its sweeping views, miles of trails, and ancient forests, Mt. Tamalpais is a beloved local treasure. But the mountain also faces many challenges such as invasive weeds, forest diseases,
and the effects of climate change.
The One Tam partnership mobilizes the resources of the National Park Service, California State Parks, The Marin Municipal Water District, Marin County Parks and Golden Gate National Parks Conservancy to ensure a vibrant future for Mt. Tamalpais.
Join Us!
Upcoming Events
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Saturday, May 24, 2025, 9 – 11am
Starts at 9am at Santos Meadow/Frank Valley Horse Camp on Frank Valley/Muir Woods Road
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Wednesday, May 28, 2025, 10am – 3pm
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
7pm at the Pantoll Stage in Pantoll Campground
Saturday, May 31, 2025, 11am – 12:30pm
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join the Watershed Stewards Program at San Geronimo Park to help prepare a weedy section of the park for nati
Sunday, June 1, 2025, 10 – 11:30am
Saturday, May 31, 2025, 8:15 – 10:15pm
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Monday, June 2, 2025, 11am – 12pm
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
When: 1st, 3rd, & 5th Tuesdays, 10 am–2 pm
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Wednesday, June 4, 2025, 10am – 2pm
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Saturday, June 7, 2025, 11am – 1pm
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Saturday, June 7, 2025, 1 – 2:30pm
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Wednesday, June 11, 2025, 8:15 – 9:30pm
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Saturday, June 14, 2025, 10am – 12pm
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
When: 1st, 3rd, & 5th Tuesdays, 10 am–2 pm
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.