One Tam

Wed, Oct 25, 2023, 10:00am - 12:00pm

Hike the stunning Redwood Creek Trail on Mt. Tamalpais with One Tam partner staff. This is a One Tam member event - join us to learn more!

Forested surroundings of Redwood Creek Trail

(CANCELED) Rock Spring Trail Hike on Mt. Tam

Tue, Sep 26, 2023, 9:30am - 12:00pm

Learn about work happening to manage, protect and restore the unique and rare flora on Mt. Tamalpais. This is a One Tam member event - join us to learn more about supporting One Tam!

Sulfur tuft mushroom found in the Golden Gate National Parks.

Up Close: Lichens and Forests Bioblitz at Samuel P. Taylor State Park

Fri, Nov 10, 2023, 11:00am - 1:30pm

Join One Tam at Samuel P. Taylor State Park for a nature and science adventure!

Up Close: Lichens and Forests Bioblitz at Tomales Bay State Park

Thu, Nov 9, 2023, 2:00 - 5:00pm

Join One Tam at Tomales Bay State Park for a nature and science adventure!

Living with Bears in Marin

Thu, Sep 7, 2023, 7:00 - 8:30pm

Online/Virtual

Join us for a virtual foray into the world of black bears in Marin and beyond! Learn about bears in Marin’s public lands and the ongoing conservation initiatives aimed at documenting the black bear population in the North Bay.

A volunteer strikes a pose while helping to restore Tennessee Valley.

Tennessee Valley Tuesday Stewards

Upcoming Event Dates

Tue, Jun 30, 2026, 10:00am - 2:00pm
Tue, Sep 29, 2026, 10:00am - 2:00pm
Tue, Dec 29, 2026, 10:00am - 2:00pm

Tennessee Valley Parking Lot

Get your hands dirty while restoring and protecting Tennessee Valley's native plant communities.

Registration Required

Tennessee Valley Tuesday Stewards

Upcoming Event Dates

Tue, Jul 21, 2026, 10:00am - 2:00pm
Tue, Aug 18, 2026, 10:00am - 2:00pm
Tue, Sep 15, 2026, 10:00am - 2:00pm

Tennessee Valley Parking Lot

Get your hands dirty while restoring and protecting Tennessee Valley's native plant communities.

Registration Required

Tennessee Valley Tuesday Stewards

Tennessee Valley Parking Lot

Get your hands dirty while restoring and protecting Tennessee Valley's native plant communities.

Registration Required

Staff and volunteers doing stewardship work in Muir Woods.

Muir Woods Maintenance

Fri, Aug 4, 2023, 9:00am - 12:00pm

Muir Woods Visitor Center

Join the Golden Gate National Recreation Area (GGNRA) at Muir Woods for a day of service celebrating Great American Outdoors Day on Friday August 4, 2023!