What can we help find?

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One Tam

A volunteer with dark pants kneels at the left of the screen to take a picture with a phone of light pink flowers against a rocky background.
Events

Get Ready for City Nature Challenge! (Webinar)

Online/Virtual
Get ready for City Nature Challenge by joining this introductory webinar, including how to use the iNaturalist app and website for basic and more advanced tasks.
A volunteer with dark pants kneels at the left of the screen to take a picture with a phone of light pink flowers against a rocky background.
Events

City Nature Challenge: Bugs & Blossoms Bioblitz

Join us at Ring Mountain Open Space Preserve for a naturalist adventure and celebration of biodiversity!
Two bright pink fairy slipper orchids surrounded by green background.
Event

One Tam Member Event: Plants of Mt. Tam March Walk

Join One Tam and Robert Steers, author of the new book, The Plants of Mt. Tamalpais , for a botanically-inspired walk!
Two bright pink fairy slipper orchids surrounded by green background.
Event

CANCELED: One Tam Member Event: Plants of Mt. Tam April Walk

Rock Spring Trailhead (intersection of Pantoll Rd & Ridgecrest Blvd)
Due to weather, we are postponing this event. Keep an eye out for a new date to walk with One Tam and Robert Steers, author of the new book, The Plants of Mt. Tamalpais .
Fuschia fairy slipper orchid surrounded by green forest
Event

Fun(gi) and Friends Bioblitz

Rock Spring Trailhead (intersection of Pantoll Rd & Ridgecrest Blvd)
Join us on Mt. Tam for a naturalist adventure! Hone your observation skills, become a field biologist for the day, and enjoy some fun(gi) and friends!
Volunteers at Work
Events

Invasive Plant Patrol

Eastwood Park
Hiking with a mission – help find and remove new infestations of invasive weeds while exploring the parks.
Volunteers at Work
Events

Invasive Plant Patrol

Morning Sun Trail - Spencer Parking Lot
Hiking with a mission – help find and remove new infestations of invasive weeds while exploring the parks.
Volunteers at Work
Events

Invasive Plant Patrol

Homestead Valley - Fire Road Gate on Panoramic Hwy
Hiking with a mission – help find and remove new infestations of invasive weeds while exploring the parks.
Volunteers at Work
Events

Invasive Plant Patrol

Dipsea Trail at Panoramic Hwy Stinson
Hiking with a mission – help find and remove new infestations of invasive weeds while exploring the parks.
Habitat Restoration in Tennessee Valley
Volunteer

Habitat Restoration Team

Kirby Cove Gate
Help restore and protect critical natural areas from the Marin Headlands to Bolinas Ridge.