Join us for a special insider’s view of the Presidio Tunnel Tops project, which will create 14 acres of new parkland on top of the Presidio Parkway (Doyle Drive) tunnels.

The Park Stewardship team will lead a leisurely walk along the cliffs of Fort Funston and share the folklore, medicinal uses and biology of the flowers. Spectacular views of the Pacific Ocean and a new appreciation for spring wildflowers in San Francisco are guaranteed!

The Main Post encompasses more history than another other site within Golden Gate National Recreation Area. Learn about Spanish colonial settlers, 1906 refugees, U.S. Army history from 1846 to 1995, and a dizzying variety of military architecture.

Help protect endangered species and restore sensitive habitat while enjoying a day in the park.

In honor of the 50th anniversary of the Alcatraz Occupation, poet and scholar Dean Rader will lead an interactive presentation on the occupation.

Join the Orchard Trail Stewardship program and help restore sensitive mission blue butterfly habitat and maintain the historic fruit orchard trees by the trailhead.

Come join Marin County Parks and One Tam in this community-based effort to improve habitat while preparing for sea level rise.

Come join Marin County Parks and One Tam in this community-based effort to improve habitat while preparing for sea level rise.

The creation of Earth Day on April 22, 1970 marked what many consider to be the birth of the environmental movement.