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Hikes

Hikes

Scenic landscape view of Fort Cronkhite, Rodeo Beach, and the Marin Headlands.
Events

Beach to Battery - A Ranger Guided Hike

Rodeo Beach/Fort Cronkhite parking lot
Ever wondered what’s hidden inside some those historic WWII batteries tucked away in the hills of the Marin Headlands? Here’s your chance to find out! Join a Ranger-Guided Hike & Program and step inside one of these iconic and historic sites, Battery Townsley...
Discovering local flora and fauna during the City Nature Challenge.
Events

City Nature Challenge: Bioblitz at Lands End

Lands End Lookout Visitor Center
Join us for the City Nature Challenge at Lands End!
White Crowned Sparrow
Events

Beginner Birding

Sat, May 31 11:00am-12:30pm
Rodeo Beach/Fort Cronkhite parking lot
Come join a Ranger Guided Hike and Birding Program with a Marin Headlands Interpretation Ranger! Learn all about the many different types of birds that call the Marin Headlands home while hiking along the scenic Rodeo Lagoon Loop Trail beginning at Rodeo Beach.
Long exposure photo of an enclosed outdoor picnic area in the Presidio glows with bright pink lights with an astronomy telescope seen in the foreground
Events

Parks4All: Pink Full Moon Party 2025

Presidio Tunnel Tops
Join us for our third annual Parks4All: Pink Full Moon Party at Presidio Tunnel Tops! [21+]
Bird's-eye view of Lake Lagunitas in Marin County.
Volunteer

One Tam Guided Nature Walk with Marin Water

Lake Lagunitas Parking Lot
Join Marin Water and One Tam for a guided walk around Lake Lagunitas!
People in Nature Artwork at Lands Ends
Events

Parks As Ancestors: A Reflective Walk

Lands End Lookout Visitor Center
Join us for a moderate walk and talk to learn about how our parks bring us closer to our more than human world and to each other!
Looking for fungi and mushrooms in the Golden Gate National Recreation Area.
Events

Fungi Walk in the Presidio

TBD
Join us for an easy and adventurous walk in the Presidio to learn about and find local fungi !
Tennessee Valley trail
Events

Owls of the Tennessee Valley

Tennessee Valley Parking Lot
Join us on an easy four-mile, three hour dusk hike through the Tennessee Valley where we will search for and learn more about the owls that reside in and visit the Tennessee Valley.
Kid with binoculars staring at Crissy Field Marsh.
Events

Bay Nature Bioblitz: Find Your Biobliss

East Beach Picnic Trailhead
Come join us and Bay Nature Magazine and the Parks Conservancy for a unique BioBlitz at Crissy Field Marsh!
Friends taking photos at Rock Spring
Events

Membership Event: Forest Health Walk at Rock Spring

Rock Spring Trailhead (intersection of Pantoll Rd & Ridgecrest Blvd)
Join us and our One Tam partners for a walk to various forest health restoration sites on the Rock Spring trail in Mt. Tamalpais State Park!