One Tam

Tam Van hosts visitor education about foothill yellow-legged frogs
Event
Rock Spring Trailhead (intersection of Pantoll Rd & Ridgecrest Blvd)
Join One Tam and Friends of Mt Tam for a collection of naturalist activities on Mt. Tamalpais
Bird's-eye view of Lake Lagunitas in Marin County.
Event
Become a steward of the Mt Tamalpais Watershed! Join our work day and naturalist walk.
Bird's-eye view of Lake Lagunitas in Marin County.
Event
Become a steward of the Mt Tamalpais Watershed! Join our work day and naturalist walk.
Bird's-eye view of Lake Lagunitas in Marin County.
Event
Become a steward of the Mt Tamalpais Watershed! Join our work day and naturalist walk.
Bird's-eye view of Lake Lagunitas in Marin County.
Event
Lake Lagunitas Parking Lot
Become a steward of the Mt Tamalpais Watershed! Join our work day and naturalist walk.
Hypogymnia schizidiata lichen.
Events
Rock Spring Trailhead (intersection of Pantoll Rd & Ridgecrest Blvd)
Join us on Mt. Tamalpais for a naturalist adventure!
Hypogymnia schizidiata lichen.
Events
Rock Spring Trailhead (intersection of Pantoll Rd & Ridgecrest Blvd)
Join us on Mt. Tamalpais for a naturalist adventure!
Friends taking photos at Rock Spring
Events
Rock Spring Trailhead (intersection of Pantoll Rd & Ridgecrest Blvd)
Join us and our One Tam partners for a walk to various forest health restoration sites on the Rock Spring trail in Mt. Tamalpais State Park!
Volunteers at Work
Events
TBD
Hiking with a mission – help find and remove new infestations of invasive weeds while exploring the parks.
Volunteers at Work
Events
Miwok Trailhead - Building T1111
Hiking with a mission – help find and remove new infestations of invasive weeds while exploring the parks.