One Tam

Spend a morning walking and talking with experts on the evolution and ecology of marshes in Richardson Bay, and see rare marsh flora in bloom.

Use all your senses to experience Bothin Marsh, and see this special place right in our backyard with new eyes.

Wildlife Talks and Happy Hour

Please join MMWD, Marin County Parks, and One Tam for our annual Bald Hill Broom Bust!

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. 

Join California State Parks and One Tam for a morning of habitat restoration!

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.

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.

During this event, we will teach you about the Wildlife Picture Index (WPI) and you will participate in the cataloging and identification of wildlife.

During this event, we will teach you about the Wildlife Picture Index (WPI) and you will participate in the cataloging and identification of wildlife.