All Ages

Point Bonita Lighthouse in the Golden Gate National Recreation Area in the San Francisco Bay Area

Learn some of the stories associated with the Point Bonita Lighthouse and see why it's one of the most picturesque places within the GGNRA.

Orange, black and white monarch butterfly seen landing on purple milkweed flowers.

Planting for Monarchs: Joske Grove

Sat, Jan 11, 2025, 11:00am - 3:00pm

Join us in a community planting day to enhance monarch habitat in Marin County!

Registration Required

(CANCELED) Planting for Monarchs: Joske Grove

Sat, Dec 14, 2024, 11:00am - 3:00pm

Join us in a community planting day to enhance monarch habitat in Marin County!

Children watching an astronomer adjust a telescope on the Presidio Main Lawn for stargazing

San Francisco Amateur Astronomers' Star Party

Upcoming Event Dates

Sat, Nov 1, 2025, 6:00 - 9:30pm

Fri, Feb 7, 2025, 9:30pm - Sat, Feb 8, 2025, 12:30am Fri, Mar 7, 2025, 9:30pm - Sat, Mar 8, 2025, 12:30am

Meadows at Presidio Tunnel Tops

Come join the San Francisco Amateur Astronomers for free public stargazing of the Moon, planets, globular clusters and more!

Belonging in Nature: Queer and Trans Community Day

Fri, Nov 8, 2024, 1:15 - 5:45pm

Pier 33

Join us as we embark on a journey to Alcatraz Island to engage with the lesser-told stories of Queer history and resilience, and the Alcatraz Gardens as a place for healing and refuge.

Registration Required

A portrait of an NPS ranger with candy skull face paint on for Dia de los Muertos.

Dia de los Muertos & Diwali Art Fiesta

Sat, Nov 2, 2024, 11:00am - 3:00pm

Presidio Visitor Center

Celebrate Dia de los Muertos and Diwali Art in the Presidio!

An expansive view of the coastline in Pacifica, CA from Mori Point. A long fishing pier stands out over the beach.

(CANCELED) Belonging in Nature: Queer and Trans Community Day

Fri, Oct 18, 2024, 1:00 - 4:30pm

Mori Point Gate

Join us for our next queer and trans community day at Mori Point!

A formerly incarcerated speaker lectures in the Alcatraz Dining Hall

Formerly Incarcerated Speaker Series: Dolores Canales

Sat, Oct 5, 2024, 1:00 - 2:00pm

Alcatraz Cellhouse - Dining Hall

The Formerly Incarcerated Speaker Series is a biweekly program on Alcatraz Island that lifts up and highlights the voices of people who have spent time inside of jails and prisons.

Owls of the Tennessee Valley

Sat, Oct 5, 2024, 5:30 - 8:30pm

Tennessee Valley Parking Lot

Join us on an easy four-mile, three hour dusk hike through the Tennessee Valley where we will search for and learn more about the owls that reside in and visit the Tennessee Valley.