One Tam

Volunteers at Work
Events
Wed, Dec 11 10:00am-2:30pm
Coastal Trail Trailhead at Fort Cronkhite
Hiking with a mission – help find and remove new infestations of invasive weeds while exploring the parks.
Volunteers at Work
Events
Wed, Dec 04 10:00am-2:30pm
Morning Sun Trail - Spencer Parking Lot
Hiking with a mission – help find and remove new infestations of invasive weeds while exploring the parks.
Habitat Restoration in Tennessee Valley
Volunteer
Sun, Nov 17 9:30am-2:30pm
Willow Camp Trailhead
Help restore and protect critical natural areas from the Marin Headlands to Bolinas Ridge.
Volunteers at Work
Events
Wed, Nov 13 10:00am-2:30pm
Bicentennial Camp
Hiking with a mission – help find and remove new infestations of invasive weeds while exploring the parks.
Orange, black and white monarch butterfly seen landing on purple milkweed flowers.
Volunteer
Sat, Jan 11 10:00am-1:00pm
Join us in a community planting day to enhance monarch habitat in Marin County!
Orange, black and white monarch butterfly seen landing on purple milkweed flowers.
Volunteer
Sat, Dec 14 10:00am-2:00pm
Join us in a community planting day to enhance monarch habitat in Marin County!
Habitat Restoration in Tennessee Valley
Volunteer
TBD
Help restore and protect critical natural areas from the Marin Headlands to Bolinas Ridge.
Habitat Restoration in Tennessee Valley
Volunteer
TBD
Help restore and protect critical natural areas from the Marin Headlands to Bolinas Ridge.
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
Tue, Nov 26 9:00am-2:30pm
Become a steward of the Mt Tamalpais Watershed! Join our work day and naturalist walk.