When: Thursday, October 27th, 2022 - Sunday, October 30th, 2022

Where: Projects throughout the GGNRA, Muir Woods, and Fort Point. See below for more details.

The GGNRA is turning 50 years old on October 27, 2022! Help us celebrate the 50th anniversary by rolling up your sleeves and giving the parks some TLC!

When: Third Sunday of each month, 9:30 am—12:30 pm

Where: Rancho Corral de Tierra, San Mateo County

Help restore and preserve the natural areas of Rancho Corral de Tierra.

When: 3rd & 5th Tuesdays, 10 am–2 pm |

Where: Tennessee Valley, Marin county |

Get your hands dirty while restoring and protecting Tennessee Valley's native plant communities.

During the autumn months, our teams of volunteer hawk counters identify and tally 19 species of birds of prey, working under the leadership of an experienced dayleader.

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