With its sweeping views, miles of trails, and ancient forests, Mt. Tamalpais is a beloved local treasure. But the mountain also faces many challenges such as invasive weeds, forest diseases,
and the effects of climate change.
The One Tam partnership mobilizes the resources of the National Park Service, California State Parks, The Marin Municipal Water District, Marin County Parks and Golden Gate National Parks Conservancy to ensure a vibrant future for Mt. Tamalpais.
The rainy season is upon us, which means that the Marin Water Volunteer Program can lead broom pull events!
Meet us at the Tam Van, stationed at
Learn about how sea level rise is impacting Bothin Marsh and what One Tam is doing to help.
Celebrate the longest day of the year—the Summer Solstice—by celebrating forests!