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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

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

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

Learn to grow and care for native plants while helping to preserve and restore your national park.

Register Now
Habitat Restoration in Tennessee Valley
Habitat Restoration Team

Help restore and protect critical natural areas from the Marin Headlands to Bolinas Ridge.

Registration Required
National Park Service Ranger Todd Hisaichi at Muir Woods National Monument.
Biodiversity Day 30 Species Challenge - Ranger Guided Hike

To celebrate California Biodiversity Day, Muir Woods AND Mount Tamalpais rangers invite you to explore a small part of the amazing biodiversity that our ecosystems have to offer.

Learn More
San Mateo Park Stewardship intern Samuel Peña.
Introducing Samuel Peña: Our new San Mateo Park Stewardship Intern!

Hello!  My name is Samuel Peña and I am super thrilled to be joining the Park Stewardship San Mateo team.  

Photo of a redwood tree canopy.
Our favorite forest trails in the Golden Gate National Recreation Area and Mt. Tam

With trailheads in San Francisco, Marin, and San Mateo counties, the forests of the Golden Gate National Recreation Area and Mt. Tam are both accessible and timeless.