California State Park · CA
Mount Tamalpais SP is open.
Last checked Wed, 14 Oct 2026 13:00:58 GMT
Mount Tamalpais, known locally as Mount Tam, is a peak in Marin County, California, United States, often considered symbolic of Marin County.
Mount Tamalpais, known locally as Mount Tam, is a peak in Marin County, California, United States, often considered symbolic of Marin County. Much of Mount Tamalpais is protected within public lands such as Mount Tamalpais State Park, the Marin Municipal Water District watershed, and National Park Service land, such as Muir Woods.
Read more on Wikipedia ↗ Text from Wikipedia, CC BY-SA.
We derive Mount Tamalpais SP's status from the park system's public alerts, refreshed hourly — this is our reading, not an official determination. As of the last check: No closures reported by California State Parks. Full method: how we check park status.