Seniors

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Volunteers will focus on removing Douglas-fir seedlings from the oak woodlands along the Taylor Trail.
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Much of what we think we know about space comes from film and television, but Hollywood‰ЫЄs job is more often to entertain than to educate. In this presentation, we will sort fact from fiction, taking a tour through the worlds of Star Trek, Star Wars, and much more.
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Enjoy a Saturday morning hike, guided by Friends of Mt. Tam volunteers.
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Entrance fee to Muir Woods is free only on April 15-16 and April 22-23 and not the entire week of National Park Week.
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Do you ever wish we could look back in time? We can, by studying the cosmic microwave background (CMB), which reveals the fiery early universe when it was only 0.003% of its present age. This talk will show how studying the CMB allows us to learn about the origin, composition, and ultimate fate of the universe.
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Enjoy a Saturday morning hike, guided by Friends of Mt. Tam volunteers.
Visitors at the Nike Missile Site
Events
Battery Townsley
This restored Cold War anti-aircraft missile site has intriguing stories to tell.
Fort Baker
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Bay Area Discovery Museum
Tour the many layers of history found in Fort Baker! Reservation required, 415-331-1540.
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This follow-up to the 2016 Mt. Tam Science Summit will feature an afternoon focused on the mountain‰ЫЄs wildlife. We‰ЫЄll share results from the Wildlife Picture Index Project‰ЫЄs first three years‰ЫЄ of data collection, as well as updates on other wildlife studies (such as bats and pollinators) coming out of last years‰ЫЄ Health of Mt. Tam report.
Healthy Parks Healthy People
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Presidio Visitor Center
Join the Healthy Parks, Healthy People Rangers and leaders to work your way to fitness and a healthier lifestyle in San Francisco.