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Crowd on Alcatraz Island for a Formerly Incarcerated Speaker Series event.
Formerly Incarcerated Speaker Series: Edwin “Zakee” Hutchinson
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Series lifts up, highlights the voices of people who have spent time inside of jails and prisons.

Crowd on Alcatraz Island for a Formerly Incarcerated Speaker Series event.
Formerly Incarcerated Speaker Series: Cedar Annenkovna Mortenson
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Series lifts up, highlights the voices of people who have spent time inside of jails and prisons.

Hypogymnia schizidiata lichen.
Taking a Lichen (Or Lovin’) to Rancho Corral de Tierra

This winter we welcome the rainy season, as it typically allows for a rich diversity of various fungi and lichen species to emerge. Take this opportunity to check out the different varieties of species thriving in our San Mateo park sites! You might just take a lichen to what you see. 

A group of volunteers joyfully pose after working outside on a trail
National Public Lands Day 2025

Celebrate National Public Lands Day in the Golden Gate National Recreation Area!

A couple hiking a dirt trail in the Marin Headlands. A Golden Gate Bridge tower can be seen peeking through the green mountain range in the background.
Hiking the Headlands
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Curious about the natural world of the Marin Headlands? This 2-mile guided hike will explore the ecosystems, animals, and geology of these rolling hills.

Register here
A sunny day over Crissy Field Marsh.
Belonging in Nature: September 2025
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We’re excited to kick off a special summer series of Belonging in Nature: Queer & Trans Community Day land stewardship programs (June-September) in collaboration with four amazing artists, chefs, and land stewards!

Registration Required
A group collects seed in a grassland. A volunteer holds a tray of seeds.
Marin Headlands Nursery
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Learn to grow and care for native plants while helping to preserve and restore your national park.

Register Now
Marin Headlands Wildlife Sail for 18.
Trails Forever 2025 Adventure Outings

We are pleased to offer these Adventure Outings throughout the GGNRA.