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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.

Habitat Restoration in Tennessee Valley
Habitat Restoration Team
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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
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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.  

A colorful San Francisco garter snake in the grass with red, black, and turquoise stripes.
Colorful, endangered San Francisco garter snakes are getting a big boost in national parks

One of the San Francisco Bay Area’s rarest species is getting a new lease on life through a special headstart program, while the Parks Conservancy and our partners work to improve habitat so this endangered species can thrive.