Public

SF stairs.
All About SF's Stairways
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Come hear the city’s most knowledgeable authors, map makers, and influencers who have made SF’s stairways must-see destinations for locals and tourists, alike.

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Students walk amid the San Francisco skyline on their way to Alcatraz Historic Gardens to volunteer.
Comic Book Day on Alcatraz
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Can comics help us better understand the U.S. prison system? Come find out on Alcatraz Island on October 17!

Great blue heron
Beginning Birding
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Come join a Ranger Guided Hike and Birding Program with a Marin Headlands Interpretation Ranger!

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Volunteers maintain the Muir Woods boardwalk
Muir Woods Maintenance Day
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Experience the majesty of the redwoods while lending your hand at Muir Woods!

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Discovering local flora and fauna during the City Nature Challenge.
City Nature Challenge: Bioblitz at Lands End
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Join us for the City Nature Challenge at Lands End! 

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Volunteers maintain the Muir Woods boardwalk
Muir Woods Maintenance Day - FULL
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Experience the majesty of the redwoods while lending your hand at Muir Woods!

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Looking for fungi and mushrooms in the Golden Gate National Recreation Area.
Fungi Walk in the Presidio
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Join us for an easy and adventurous walk in the Presidio to learn about and find local fungi! 

Community Scientists in the field observing insects.
Bay Nature Bioblitz: Find Your Biobliss
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Come join us and Bay Nature Magazine and the Parks Conservancy for a unique BioBlitz at Crissy Field Marsh! 

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View of Bridge on a foggy day from Presidio Tunnel Tops west lawn
Membership Event: Presidio Tunnel Tops Mat Pilates Mixer
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Grab your friends and join us for an outdoor Mat Pilates session at Presidio Tunnel Tops! All ages and fitness levels welcome.

Buy/Claim your Ticket Here
The Roving Ranger welcomes visitors at Mori Point.
Reading in the Park: Indigenous Knowledge
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Come meet our Roving Ranger and the San Mateo County Library Van at Mori Point to read and learn with each other!

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