




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.
When: 1st, 3rd, & 5th Tuesdays, 10 am–2 pm
When: Wednesdays, 10 am–2:30 pm; Registration Required
Old Saint Hilary's Preserve
Sunday, December 21, 2025, 7 – 8:30am
Be a part of a successful 15-year community-based effort to restore habitat at a site once dominated by weeds and non
When: Wednesdays, 10 am–2:30 pm; Registration Required
When: 1st, 3rd, & 5th Tuesdays, 10 am–2 pm
When: Wednesdays, 10 am–2:30 pm; Registration Required