Adults

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.

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

Help study California's only freshwater turtle.

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!

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

Join local hydrologist Peter Hartsough and MMWD staff Mike Swezy to learn more about how the hydrology of West Peak influences the watersheds it feeds, and how geology and climate in turn influence the mountain's hydrology.

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.

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

Join filmmaker Gary Yost and Marin Municipal Water District ranger Matt Cerkel on Mt. Tam for a special talk about the true peak of our beloved mountain.

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