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Access to Adventure Day at the Presidio Tunnel Tops.
Access to Adventure Day 2025
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Join Support for Families for a family fun day at the Presidio Tunnel Tops! Learn about inclusive recreation, after school, and summer programs available in San Francisco, while exploring a brand-new accessible park.

Register Here
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.

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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.

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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.

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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
Beautiful plants bloom at Presidio Tunnel Tops with a view of the Golden Gate Bridge.
Presidio Tunnel Tops Stewards

Help care for the landscaped areas at the Presidio Tunnel Tops.

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Beautiful plants bloom at Presidio Tunnel Tops with a view of the Golden Gate Bridge.
Presidio Tunnel Tops Stewards

Help care for the landscaped areas at the Presidio Tunnel Tops.

Register Now
Nike Missile Site
Golden Gate Ridge Tour Hike
Marin Headlands Tennessee Valley

Starting at road's end in Tennessee Valley, the route starts towards the beach but soon picks up the Coastal Trail and ascends steeply up Wolf Ridge. Staying mostly on the high ridge back, it gives great sweeping views of the Golden Gate Recreation Area, Mt. Tamalpais, the Pacific,

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