This award-winning tour, limited to just a few hundred visitors each evening, features spectacular sunsets, fascinating stories, and spine-tingling adventures in the dark corners of the old island prison.

Join our garden volunteer crews each week to re-establish the extraordinary historic gardens of Alcatraz.

Unique in the National Park Service, this restored Cold War anti-aircraft missile site has stories to tell.

Join our Natural Resources staff eradicating noxious weeds that pose threats to the native biodiversity of Presidio plants and animals.

Saturdays 9 AM - 12 PM
Wednesdays 1 PM - 4 PM

Come grow with us at the Marin Headlands Native Plant Nursery! Volunteers are vital in the effort to grow plants, collect seeds, maintain the nursery facility, and much more.

This award-winning tour, limited to just a few hundred visitors each evening, features spectacular sunsets, fascinating stories, and spine-tingling adventures in the dark corners of the old island prison.

1st and 3rd Saturdays, 9 AM - Noon (Park-wide Sites)
2nd Tuesdays, Noon - 3 PM (Presidio Sites)
Seasonal: April - November (no winter projects)

The Parks' trails need you! Help repair and maintain trails, construct new routes, and protect sensitive natural habitat in Marin, the Presidio, San Francisco, and San Mateo.

Bring your family, friends, a blanket, and a picnic to enjoy a free performance by the San Francisco Shakespeare Festival.

Lovers Lane is the Presidio’s oldest foot trail—and one of its most storied. This fall, a new interactive audio experience, "A Lovers’ Line", offers some new tales on the trail.

Be a habitat hero! Help enhance rare native plant habitat and create important wildlife corridors in the Presidio of San Francisco.

The Area A Landscape & Maintenance Volunteer Programs works to enhance the visitor experience at various sites throughout the coastal region of the Presidio.

Come join the restoration efforts of the Green Team! Our volunteers participate in a variety of activities, including seed collection, propagation, transplanting, pruning, weeding, and outplanting.

Bring dogs, friends, and family to
help keep Fort Funston clean for
everyone, held in conjunction with
Fort Funston Dogwalkers.

Come learn about crabbing in the San Francisco Bay. And then try your hand at it!

Join Ranger Eddie Arias on this moderate one-mile hike through the Presidio forest on the historic Anza Trail, named for Juan Bautista de Anza's historic walk up from Nogales, Arizona to present-day San Francisco in 1776.