Calendar
Featured Events
- Saturday, February 7, 2026 — 9 am - 2 pmMarin Water Volunteer Events CalendarDetails TBD; locations vary. Details shared upon registration
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
When: 1st, 3rd, & 5th Tuesdays, 10 am–2 pm
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Source: One Tam Calendar
When: Wednesdays, 10 am–2:30 pm; Registration Required
Where: Marin county; specific meeting location will be in the confirmation email after registering
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Source: Marin County ParksLeo T Cronin Fish Viewing Area
Wednesday, December 31, 2025, 11am – 12:30pm -
11:00 AM to 2:00 PMSource: One Tam Calendar
Kick off 2026 by joining us for a fungi Bioblitz in Tomales Bay State Park! What exactly is a “Bioblitz?” It is a quick, intense survey of the species at a specific site!
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11:00 AM to 2:00 PMSource: One Tam Calendar
Kick off 2026 by joining us for a fungi Bioblitz in Tomales Bay State Park! What exactly is a “Bioblitz?” It is a quick, intense survey of the species at a specific site!
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Source: Marin County ParksIgnacio Valley Preserve
Sunday, January 4, 2026, 10am – 1pm -
Source: One Tam Calendar
When: Wednesdays, 10 am–2:30 pm; Registration Required
Where: Marin county; specific meeting location will be in the confirmation email after registering
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Source: Marin County ParksPoint Reyes National Seashore
Wednesday, January 7, 2026, 10am – 2pm -
9 am - 2 pmMarin Water Volunteer Events Calendar
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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 ParksHamilton Wetlands
Wednesday, January 14, 2026, 10am – 2pm -