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Muir Woods
March Sunrise Tour of Muir Woods

Stroll through an old-growth redwood forest at sunrise, hear tall tales, soar in the sounds and smells, and hear the historical and ecological story of Muir Woods.

Tipi on Alcatraz with Golden Gate Bridge in background
Children of the Occupation

Occupiers who were brought to the island by their parents between 1969 and 1971 share their perspectives of being a kid during the Occupation. In conjunction with Junior Ranger Day.

Muir Woods
(CANCELED) March Sunrise Tour of Muir Woods

Stroll through an old-growth redwood forest at sunrise, hear tall tales, soar in the sounds and smells, and hear the historical and ecological story of Muir Woods.

A great horned owl.
(CANCELED) Owls of Tennessee Valley

Join us on an easy four mile, three-hour ramble through Tennessee Valley to search for and learn more about the owls that reside in and around the Tennessee Valley.  

Muir Woods
(CANCELED) March Sunrise Tour of Muir Woods

Stroll through an old-growth redwood forest at sunrise, hear tall tales, soar in the sounds and smells, and hear the historical and ecological story of Muir Woods.

MOTA_20160206_ATB_103_2x1.jpg
Nature Space: Kayak Mill Valley's Evolving Shoreline

Kayak along the tidal marshes in Richardson Bay and learn about the history of Bothin Marsh and how Marin County Parks and One Tam are planning for sea level rise.

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Trail Stewardship Volunteers
(CANCELED) Golden Gate Trail Stewardship Program

Join the Golden Gate Trail Crew and help repair, maintain and enhance trails in the Golden Gate National Parks.

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Teens Volunteering with Stewardship Trails Program
(CANCELED) Teens on Trails

Take a break from the classroom in the great outdoors with Teens on Trails!

Osprey with fish
Citizen Scientists Root for the 'Sea Hawks'

In the heart of 49er country, two GGRO volunteers are working to monitor the Bay Area’s population of osprey (aka “sea hawks”). Learn how these citizen scientists are harnessing the power of the people to protect these magnificent birds.