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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.
Indian Valley Preserve
Saturday, March 8, 2025, 10 – 11:30am
Saturday, March 8, 2025, 11am – 1pm
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.
Marin Headlands
Tuesday, March 11, 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.
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Please join Marin Water and Marin County Parks for our annual Bald Hill Broom Bust!
Want to get great views of the watershed, learn about the history of unique natural areas, and discover the connectio
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.
Saturday, March 29, 2025, 10 – 11:30am
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.
When: 1st, 3rd, & 5th Tuesdays, 10 am–2 pm
When: 1st, 3rd, & 5th Tuesdays, 10 am–2 pm
When: 1st, 3rd, & 5th Tuesdays, 10 am–2 pm
When: 1st, 3rd, & 5th Tuesdays, 10 am–2 pm
When: 1st, 3rd, & 5th Tuesdays, 10 am–2 pm
When: 1st, 3rd, & 5th Tuesdays, 10 am–2 pm