One Tam

One Tam staff count vegetation near lake.
event
Sat, Apr 18 9:00am-12:00pm
Hal Brown Park at Creekside
The creation of Earth Day on April 22, 1970 marked what many consider to be the birth of the environmental movement.
Trail work on the Heather Cutoff Trail on National Trails Day
event
Sat, May 16 9:00am-12:00pm
Hal Brown Park at Creekside
Come join Marin County Parks and One Tam in this community-based effort to improve habitat while preparing for sea level rise.
Trail work on the Heather Cutoff Trail on National Trails Day
event
Hal Brown Park at Creekside
Come join Marin County Parks and One Tam in this community-based effort to improve habitat while preparing for sea level rise.
event
Kayak along the tidal marshes in Richardson Bay and learn about the history of Bothin Marsh and how Marin County Parks and One Tam are planning for sea level rise.
Smoky-gilled hypholoma mushroom
Events
Lake Lagunitas Parking Lot
Join Marin Municipal Water District, One Tam and the California Academy of Sciences at Lake Lagunitas to investigate mushroom biodiversity in this mycoblitz. Hone your naturalist skills, participate in community (citizen) projects through the North American Mycoflora Project and iNaturalist and become our scientific collaborator for a day!
event
Samuel P. Taylor State Park
Join us for a habitat restoration project in Samuel P. Taylor State Park!
event
Samuel P. Taylor State Park
Join us for a habitat restoration project in Samuel P. Taylor State Park!
event
Samuel P. Taylor State Park
Join us for a habitat restoration project in Samuel P. Taylor State Park!
Volunteer
Muir Woods Visitor Center
Join the partners of One Tam for a day of service on our beloved mountain.
Carson Falls, Mt. Tam
Hikes
Azalea Hill Trailhead
Join Marin County Parks Naturalist, Shannon Burke, and One Tam staff for a hike along Carson Ridge to Carson Falls. This hike begins with a slow climb up the Pine Mountain Fire Road through serpentine chaparral. From the ridge we’ll descend through a shaded forest lush with ferns, milkmaids, and,...