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.
Search by Text
Narrow search to calendar events only by choosing "Advanced Search" and checking "Events" on results page.
Upcoming Events
-
Source: Marin County ParksLas Gallinas Treatment Ponds
Wednesday, January 28, 2026, 10am – 1pm -
-
Source: Marin County ParksIndian Valley Preserve
Saturday, January 31, 2026, 10am – 12pm -
Source: Marin County ParksMarinwood
Sunday, February 1, 2026, 10am – 1pm -
Source: Marin County ParksLoma Alta Preserve
Tuesday, February 3, 2026, 10am – 2pm -
Source: Marin County ParksRoy's Redwoods Preserve
Saturday, February 7, 2026, 10am – 1pm -
Source: One Tam Calendar
Celebrate Fungus February by joining us for a fungi Bioblitz at Roy’s Redwoods! What exactly is a “Bioblitz?” It is a quick, intense survey of the species at a specific site!
-
9 am - 2 pmMarin Water Volunteer Events Calendar
-
Source: Marin County ParksMcNears Beach Park
Sunday, February 8, 2026, 11:30am – 1pm -
Source: Marin County ParksBothin Marsh
Sunday, February 8, 2026, 10am – 12pm -
Source: Marin County ParksStafford Lake Park
Sunday, February 8, 2026, 5:30 – 7:30pm -
Source: Marin County ParksCorte Madera Library
Wednesday, February 11, 2026, 1 – 2pm -
-
-
Source: Marin County ParksMarin Water District
Wednesday, February 18, 2026, 10am – 2pm