Events

The Alcatraz Historic Gardens with the Power Plant seen in the background.
Events
Alcatraz Island
Join us for a special Earth Day experience on Alcatraz Island, where history meets nature. Explore the island’s stunning gardens, discover sustainable gardening practices, and participate in a hands-on marine science activity that connects us to the health of San Francisco Bay.
Scenic landscape view of Fort Cronkhite, Rodeo Beach, and the Marin Headlands.
Events
Rodeo Beach/Fort Cronkhite parking lot
Ever wondered what’s hidden inside some those historic WWII batteries tucked away in the hills of the Marin Headlands? Here’s your chance to find out! Join a Ranger-Guided Hike & Program and step inside one of these iconic and historic sites, Battery Townsley...
A volunteer gives a thumbs up at Crissy Field in San Francisco with a backdrop of the Golden Gate Bridge and the Warming Hut.
Events
Ampitheater Trailhead
Join us to celebrate Earth Day and restore and maintain historic Crissy Field!
A volunteer gives a thumbs up at Crissy Field in San Francisco with a backdrop of the Golden Gate Bridge and the Warming Hut.
Events
Battery East
Join us to celebrate Earth Day and restore and maintain historic Battery East!
A volunteer gives a thumbs up at Crissy Field in San Francisco with a backdrop of the Golden Gate Bridge and the Warming Hut.
Events
Ampitheater Trailhead
Join us to celebrate Earth Day and restore and maintain historic Crissy Field!
A volunteer gives a thumbs up at Crissy Field in San Francisco with a backdrop of the Golden Gate Bridge and the Warming Hut.
Events
East Beach Crissy Field Parking Lot
Join us to celebrate Earth Day and restore and maintain historic Crissy Field!
Volunteers at Work
Events
Smith Trailhead
Hiking with a mission – help find and remove new infestations of invasive weeds while exploring the parks.
Discovering local flora and fauna during the City Nature Challenge.
Events
Lands End Lookout Visitor Center
Join us for the City Nature Challenge at Lands End!
Trail in Roy's Redwoods Preserve
Events
Roys Redwoods Preserve
Roy’s Redwoods is a unique old-growth redwood preserve in Marin County, offering free and accessible access while benefiting from a recent restoration project to improve forest health and trails. This guided tour with Project Manager Rob LaPorte will explore the restoration efforts and the natural wonders of this special place.
Badger photographed by Vishal Subramanyan
Events
Crissy Field Center
Join us for a discussion about wildlife photography work in the Bay Area with Vishal Subramanyan, a local photographer whose work documenting the rare erythristic badger is featured in National Geographic.