When: 9 am–Noon;Fridays, 9 am–Noon |

Where: Presidio of San Francisco |

Help tend to the health of the Presidio’s historic forests.

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: Saturdays, 9 am–Noon; 1st and 3rd Wednesdays, 9 am–Noon |

Where: Presidio of San Francisco |

Help restore natural areas and create important wildlife corridors in the Presidio of San Francisco.

When: 2nd Thursdays, 1–3pm and 4th Wednesdays, 9am–Noon

Where: Presidio Tunnel Tops in the Presidio of San Francisco |

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