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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, August 2, 2025, 9 – 10:30am
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.
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.
Monday, August 4, 2025, 10am – 2pm
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.
When: Wednesdays, 10 am–2:30 pm; Registration Required
Wednesday, August 6, 2025, 10am – 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.
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, August 9, 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.
Sunday, August 10, 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.
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: Wednesdays, 10 am–2:30 pm; Registration Required
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.
Sunday, August 17, 2025, 9 – 10:30am
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.
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.
Tuesday, August 19, 2025, 10am – 2pm
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.
When: Wednesdays, 10 am–2:30 pm; Registration Required
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, August 23, 2025, 10am – 12pm
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Saturday, August 23, 2025, 11am – 12:30pm
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.
Sunday, August 24, 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.
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: Wednesdays, 10 am–2:30 pm; Registration Required
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.
When: 1st, 3rd, & 5th Tuesdays, 10 am–2 pm
When: Wednesdays, 10 am–2:30 pm; Registration Required
When: First Saturday of every month, September until December 9 a.m.-2 p.m.
When: Wednesdays, 10 am–2:30 pm; Registration Required
When: 1st, 3rd, & 5th Tuesdays, 10 am–2 pm
When: Wednesdays, 10 am–2:30 pm; Registration Required
When: Wednesdays, 10 am–2:30 pm; Registration Required
When: 1st, 3rd, & 5th Tuesdays, 10 am–2 pm
When: Wednesdays, 10 am–2:30 pm; Registration Required
When: First Saturday of every month, September until December 9 a.m.-2 p.m.
When: 1st, 3rd, & 5th Tuesdays, 10 am–2 pm
When: Wednesdays, 10 am–2:30 pm; Registration Required
When: Wednesdays, 10 am–2:30 pm; Registration Required
When: 1st, 3rd, & 5th Tuesdays, 10 am–2 pm
When: Wednesdays, 10 am–2:30 pm; Registration Required
When: Wednesdays, 10 am–2:30 pm; Registration Required
When: 1st, 3rd, & 5th Tuesdays, 10 am–2 pm
When: Wednesdays, 10 am–2:30 pm; Registration Required
When: Wednesdays, 10 am–2:30 pm; Registration Required
When: 1st, 3rd, & 5th Tuesdays, 10 am–2 pm
When: Wednesdays, 10 am–2:30 pm; Registration Required
When: Wednesdays, 10 am–2:30 pm; Registration Required
When: 1st, 3rd, & 5th Tuesdays, 10 am–2 pm
When: Wednesdays, 10 am–2:30 pm; Registration Required
When: Wednesdays, 10 am–2:30 pm; Registration Required
When: 1st, 3rd, & 5th Tuesdays, 10 am–2 pm
When: Wednesdays, 10 am–2:30 pm; Registration Required
When: Wednesdays, 10 am–2:30 pm; Registration Required
When: 1st, 3rd, & 5th Tuesdays, 10 am–2 pm
When: Wednesdays, 10 am–2:30 pm; Registration Required