One Tam

Two women carrying bug nets in a grassy field inspect specimen vials

Tamalpais Bee Lab - Community Science Event

Sat, Apr 13, 2024, 11:00am - 2:00pm

Become a community scientist and help us understand our local bee communities!

Tamalpais Bee Lab - Community Science Event

Fri, Apr 12, 2024, 11:00am - 2:00pm

Become a community scientist and help us understand our local bee communities!

Tamalpais Bee Lab - Community Science Event

Sat, Apr 6, 2024, 11:00am - 2:00pm

Become a community scientist and help us understand our local bee communities!

Tamalpais Bee Lab - Community Science Event

Fri, Apr 5, 2024, 11:00am - 2:00pm

Become a community scientist and help us understand our local bee communities!

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.

Get Ready for City Nature Challenge! (Webinar)

Tue, Apr 23, 2024, 6:30 - 7:30pm

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.

City Nature Challenge: Bugs & Blossoms Bioblitz

Sat, Apr 27, 2024, 10:00am - 1:00pm

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.

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

Wed, Mar 27, 2024, 1:00am - 3:00pm

Join One Tam and Robert Steers, author of the new book, The Plants of Mt. Tamalpais, for a botanically-inspired walk!

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

Sat, Apr 13, 2024, 10:00am - 12:00pm

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

Fun(gi) and Friends Bioblitz

Wed, Feb 28, 2024, 11:00am - 3:00pm

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!