• Working together at the scale necessary to meet Tamalpais’ challenges

Our Work

Our Work

One Tam Projects & Programs

One Tam combines the skills and resources of its five partners to support work that is vital to the health of the mountain, enriches the experience of its visitors, and inspires a new generation of stewards. Our combined efforts include ecological restoration, trail improvements, plant and wildlife monitoring, volunteer and youth programs, and more. Learn more about our work, and how you can get involved, through the links below.

Priority Park Enhancement Work

Bolinas Wye
Bolinas Lagoon is an internationally recognized wildlife hotspot that One Tam is helping build resilience to climate change.
Forest Health & Resilience
One Tam partners have responded to the urgent need to protect forests and reduce wildfire risk by developing a strategy to help forests maintain their natural resilience.
Redwood Creek Trail Realignment & Floodplain Restoration
This project relocated 1.1 miles of trail to improve passage while protecting the creek. The next phase will restore the floodplain.
Bothin Marsh
Because climate change is causing sea level rise, flooding is intensifying at Bothin Marsh. This project is creating a shared community vision for its future.
Path beside the base of an enormous redwood tree
Roy’s Redwoods
Long loved by the San Geronimo Valley community, Roy’s Redwoods Open Space Preserve offers visitors an immersive experience in an old-growth redwood grove.

Science & Conservation

Monarch Habitat Enhancement
One Tam partners improving monarch butterfly overwintering and breeding habitat for restoration at key park sites.
Tamalpais Bee Lab
One Tam is working to understand more about Mt. Tamalpais’ wild bees with the community's help.
California Giant Salamander Inventory
One Tam is working to understand more about the sensitive and seldom seen California Giant Salamander.
Marin Wildlife Watch
The One Tam partner agencies are using motion-activated cameras to study wildlife on public lands around Mt. Tamalpais.
Invasive Plant Monitoring & Management
This program builds on successful existing models to find and eliminate priority weeds and engage volunteers in caring for Mt. Tamalpais.
Large-scale Inventories & Monitoring
A comprehensive, big-picture view of the mountain’s resources will allow managers to prioritize restoration and protection efforts and allocate resources in new ways.
Rare Plant Program
This program helps coordinate data management, mapping, monitoring, and research, and be able to look beyond their borders to rare plant conservation across the mountain.
Bat Monitoring
The lives and habits of Marin County’s bats are largely a mystery. We're filling gaps in our knowledge about these tremendously important parts of our communities.

Education and Outreach

A group of people crouched down to take a photo on the ground.
Community Science
One Tam's community science program blends landscape-scale science with community engagement and education.
Youth Programs
One Tam Youth Programs engage, empower, and educate young people while providing critical support for the lands of Mt. Tamalpais.
The Tam Van, Our Mobile Visitor Center
The Tam Van mobile visitor center offers information, family-friendly activities, and shares opportunities get involved in One Tam, both on the mountain and in the community.
Workshops & Conferences
These special events provide a space to share knowledge, experience, and information among land managers, researchers, and community members.