A total solar eclipse is one of nature‰ЫЄs most magnificent spectacles. On August 21, 2017, for the first time in 38 years, the very narrow path of a total solar eclipse falls across the continental US. Come learn about total solar eclipses and how to view this one!

Besides Earth, several planetary bodies in our solar systems are recognized as having the potential to host primitive forms of life. This talk will describe why and how NASA plans to search for life on Mars and the icy moons of Jupiter and Saturn.

Volunteers will focus on removing Douglas-fir seedlings from the oak woodlands along the Taylor Trail.

Fire suppression, Sudden Oak Death, and other large-scale changes threaten the Watershed‰ЫЄs oak woodlands and grasslands, and the plants and animals that depend on them to survive.

Join us for a evening hosted by the California Alpine Club to explore Mt. Tam's place in our community as a creative force, told through a section of Gary Yost's films featuring inspired stories of connection.

Enjoy a screening under the stars of the 2013 film Gravity, starring Sandra Bullock and George Clooney as astronauts who are stranded in space after the mid-orbit destruction of their space shuttle, and their subsequent attempt to return to Earth.

Enjoy a Saturday morning hike, guided by Friends of Mt. Tam volunteers.

Enjoy a Saturday sunset hike, guided by Friends of Mt. Tam volunteers.

Enjoy a Saturday sunset hike, guided by Friends of Mt. Tam volunteers.

Explore Mt. Tam trails with others who love the mountain.