One Tam

Sulfur tuft mushroom found in the Golden Gate National Parks.
Event
Join One Tam at Tomales Bay State Park for a nature and science adventure!
Black bear eating dandelions
Event
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.
Stewardship work at Tennessee Valley.
Volunteer
Tennessee Valley Parking Lot
Get your hands dirty while restoring and protecting Tennessee Valley's native plant communities.
Stewardship work at Tennessee Valley.
Volunteer
Tue, Jun 18 10:00am-2:00pm
Tennessee Valley Parking Lot
Get your hands dirty while restoring and protecting Tennessee Valley's native plant communities.
Stewardship work at Tennessee Valley.
Volunteer
Tue, Jun 04 10:00am-2:00pm
Tennessee Valley Parking Lot
Get your hands dirty while restoring and protecting Tennessee Valley's native plant communities.
Staff and volunteers doing stewardship work in Muir Woods.
Volunteer
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!
Muir Woods with ranger and kids
Events
Muir Woods Visitor Center
Join a Muir Woods Ranger in a grove of towering Coast Redwoods for a 15-minute talk.
Green sweat bee (Agapostemon texanus) on flower
Event
Sky Oaks Watershed Headquarters
One Tam is continuing our efforts to monitor and understand more about Mt. Tamalpais’ wild bees and other pollinators. Community science volunteers play a critical role in this study by pinning, sorting, and labeling specimens collected from the field.
Green sweat bee (Agapostemon texanus) on flower
Event
Sky Oaks Watershed Headquarters
One Tam is continuing our efforts to monitor and understand more about Mt. Tamalpais’ wild bees and other pollinators. Community science volunteers play a critical role in this study by pinning, sorting, and labeling specimens collected from the field.
Green sweat bee (Agapostemon texanus) on flower
Event
Sky Oaks Watershed Headquarters
One Tam is continuing our efforts to monitor and understand more about Mt. Tamalpais’ wild bees and other pollinators. Community science volunteers play a critical role in this study by pinning, sorting, and labeling specimens collected from the field.