Calendar
Featured Events
- Saturday, June 7, 2025 — 8:45 AM - 2:00 PMMarin WaterCelebrate National Trails Day with Marin Water on upper Cataract Trail! We will improve the safety of this trail through bridge repairs, dirt work and vegetation management. Join us to connect with your community and give back to one of the most frequented trails on Mt. Tam for future generations.
- Wednesday, June 11, 2025 — 11am to 2pmCA State Parks
This calendar combines events from all five One Tam partners. Please confirm details before attending. If you require an accommodation to participate in an event, please contact the host organization.
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Upcoming Events
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Source: One Tam Calendar
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
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9 a.m.-1 p.m.Marin Water
Join the Watershed Stewards Program at San Geronimo Park to help prepare a weedy section of the park for native planting in the fall.
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7:00 p.m.Mt. Tamalpais State Park
7pm at the Pantoll Stage in Pantoll Campground
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Source: Marin County ParksMcInnis Park
Saturday, May 31, 2025, 11am – 12:30pm -
Source: One Tam Calendar
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
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Source: Marin County ParksMount Burdell Preserve
Saturday, May 31, 2025, 8:15 – 10:15pm -
Source: One Tam Calendar
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
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Source: One Tam Calendar
When: Sundays, 9:30 am–2:30 pm
Where: Marin county; specific meeting location will be in the confirmation email after registering
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Source: Marin County ParksOld St. Hilary’s Preserve
Sunday, June 1, 2025, 10 – 11:30am -
Source: One Tam Calendar
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
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Source: Marin County ParksSan Geronimo Park
Monday, June 2, 2025, 11am – 12pm -
Source: One Tam Calendar
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
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Source: One Tam Calendar
When: 1st, 3rd, & 5th Tuesdays, 10 am–2 pm
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Source: One Tam Calendar
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
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Source: Marin County ParksLoma Alta Preserve
Wednesday, June 4, 2025, 10am – 2pm