When: Wednesdays, 9 am–Noon; Thursdays, 1 pm–4 pm |

Where: National Park lands in San Francisco |

Help restore and preserve the natural areas of Fort Funston, Lands End, and the Presidio of San Francisco.

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.