One Tam

Trail work on the Heather Cutoff Trail on National Trails Day
Event
Bald Hill
Please join MMWD, Marin County Parks, and One Tam for our annual Bald Hill Broom Bust!
Waterfall along the Cataract Falls Trail
Event
Marin Art & Garden Center
Hear what we’ve learned from a new inventory of Mt. Tam’s seeps and springs, part of an ongoing effort to understand the health of the mountain.
Event
Join California State Parks and One Tam for a morning of habitat restoration!
Bothin Marsh
Event
Mill Valley Community Center
Join Marin County Parks and One Tam for a leisurely walk along Bothin Marsh where we’ll discuss various species of winter waterfowl in their colorful plumage and a variety of shorebirds foraging on the exposed shore as the tide recedes.
Muir Woods Historic Redwoods
Events
Muir Woods Visitor Center
Stroll through an old-growth redwood forest at sunrise, hear tall tales, soar in the sounds and smells, and hear the historical and ecological story of Muir Woods.
Bobcat
Event
Marin Municipal Water District Office
During this event, we will teach you about the Wildlife Picture Index (WPI) and you will participate in the cataloging and identification of wildlife.
Bobcat
Event
Marin Municipal Water District Office
During this event, we will teach you about the Wildlife Picture Index (WPI) and you will participate in the cataloging and identification of wildlife.
Aerial view of the former Mill Valley Air Force Station atop West Peak
Event
Marin Art & Garden Center
Join us for a conversation with members of Marin’s Native American community about the history and significance of Mt. Tam. We’ll also hear about a restoration project at Mt. Umunhum with many parallels to West Peak project, and learn how it weaves together culture and history of the region with...
Aerial view of the former Mill Valley Air Force Station atop West Peak
Event
*NEW DATE FOR EVENT* Join filmmaker Gary Yost and Marin Municipal Water District ranger Matt Cerkel on Mt. Tam for a special talk about the true peak of our beloved mountain.
Sunrise Unfolding
Event
***VENUE CHANGE: Due to extreme rain, this event will be held at the San Rafael Community Center ( Google Map )*** Join Environmental Forum of Marin and their guest speakers as they discuss eye-opening topics around new building materials, techniques, and designs developed to enable buildings and other infrastructure to sequester carbon.