Seniors Battery Spencer Clean-up Wed, Jul 8, 2026, 9:00am - 12:00pm Battery Spencer Help keep Battery Spencer looking its best! Register Now Battery Spencer Clean-up Wed, Jun 10, 2026, 9:00am - 12:00pm Battery Spencer Help keep Battery Spencer looking its best! Register Now Mt. Tamalpais Earth Day Stewardship Wed, Apr 22, 2026, 1:00 - 4:00pm Mountain Home parking lot Join us on Earth Day to give back to Mt. Tam by pulling invasive species and picking up trash! Register here! (CANCELED) Fort Mason Historic Landscaping and Maintenance Tue, Dec 30, 2025, 9:00am - 12:00pm Fort Mason Flagpole Help restore and maintain historic landscapes and cultural resources throughout Fort Mason. (CANCELED) Golden Gate Historic Landscaping and Maintenance Thu, Nov 27, 2025, 10:00am - 1:00pm Thu, Dec 25, 2025, 10:00am - 1:00pm TBD Help restore and maintain historic landscapes and cultural resources along the shoreline of San Francisco. Register (CANCELED) Golden Gate Historic Landscaping and Maintenance Thu, Jan 1, 2026, 10:00am - 1:00pm Ampitheater Trailhead Help restore and maintain historic landscapes and cultural resources along the shoreline of San Francisco. Register National Public Lands Day at Crissy Field Sat, Sep 27, 2025, 9:00am - 12:00pm Crissy Field East Beach Help restore and maintain historic landscapes and cultural resources along the shoreline of San Francisco on National Public Lands Day! Register Beginning Birding Sat, Aug 9, 2025, 11:00am - 12:30pm Sat, Aug 30, 2025, 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! Register Fort Mason Historic Landscaping and Maintenance Tue, Aug 13, 2024, 9:00am - 12:00pm Tue, Aug 20, 2024, 9:00am - 12:00pm Tue, Aug 27, 2024, 9:00am - 12:00pm Tue, Sep 3, 2024, 9:00am - 12:00pm Tue, Sep 10, 2024, 9:00am - 12:00pm Tue, Sep 17, 2024, 9:00am - 12:00pm Tue, Sep 24, 2024, 9:00am - 12:00pm Tue, Oct 1, 2024, 9:00am - 12:00pm Tue, Oct 8, 2024, 9:00am - 12:00pm Tue, Oct 15, 2024, 9:00am - 12:00pm Tue, Oct 22, 2024, 9:00am - 12:00pm Tue, Oct 29, 2024, 9:00am - 12:00pm Tue, Nov 5, 2024, 9:00am - 12:00pm Tue, Nov 12, 2024, 9:00am - 12:00pm Tue, Nov 19, 2024, 9:00am - 12:00pm Tue, Nov 26, 2024, 9:00am - 12:00pm Tue, Dec 3, 2024, 9:00am - 12:00pm Tue, Dec 10, 2024, 9:00am - 12:00pm Tue, Dec 17, 2024, 9:00am - 12:00pm Tue, Dec 24, 2024, 9:00am - 12:00pm Tue, Dec 31, 2024, 9:00am - 12:00pm Tue, Jan 7, 2025, 9:00am - 12:00pm Tue, Jan 14, 2025, 9:00am - 12:00pm Tue, Jan 21, 2025, 9:00am - 12:00pm Tue, Jan 28, 2025, 9:00am - 12:00pm Tue, Feb 4, 2025, 9:00am - 12:00pm Tue, Feb 11, 2025, 9:00am - 12:00pm Tue, Feb 18, 2025, 9:00am - 12:00pm Tue, Feb 25, 2025, 9:00am - 12:00pm Tue, Mar 4, 2025, 9:00am - 12:00pm Tue, Mar 11, 2025, 9:00am - 12:00pm Tue, Mar 18, 2025, 9:00am - 12:00pm Tue, Mar 25, 2025, 9:00am - 12:00pm Tue, Apr 1, 2025, 9:00am - 12:00pm Tue, Apr 8, 2025, 9:00am - 12:00pm Tue, Apr 15, 2025, 9:00am - 12:00pm Tue, Apr 22, 2025, 9:00am - 12:00pm Tue, Apr 29, 2025, 9:00am - 12:00pm Tue, May 6, 2025, 9:00am - 12:00pm Tue, May 13, 2025, 9:00am - 12:00pm Tue, May 20, 2025, 9:00am - 12:00pm Tue, May 27, 2025, 9:00am - 12:00pm Tue, Jun 3, 2025, 9:00am - 12:00pm Tue, Jun 10, 2025, 9:00am - 12:00pm Tue, Jun 17, 2025, 9:00am - 12:00pm Tue, Jun 24, 2025, 9:00am - 12:00pm Tue, Jul 1, 2025, 9:00am - 12:00pm Tue, Jul 8, 2025, 9:00am - 12:00pm Tue, Jul 15, 2025, 9:00am - 12:00pm Tue, Jul 22, 2025, 9:00am - 12:00pm Tue, Jul 29, 2025, 9:00am - 12:00pm Tue, Aug 5, 2025, 9:00am - 12:00pm Tue, Aug 12, 2025, 9:00am - 12:00pm Tue, Dec 23, 2025, 9:00am - 12:00pm Tue, Dec 9, 2025, 9:00am - 12:00pm Tue, Nov 25, 2025, 9:00am - 12:00pm Tue, Nov 18, 2025, 9:00am - 12:00pm Tue, Nov 18, 2025, 9:00am - 12:00pm Tue, Oct 7, 2025, 9:00am - 12:00pm Tue, Oct 14, 2025, 9:00am - 12:00pm Tue, Oct 21, 2025, 9:00am - 12:00pm Tue, Oct 28, 2025, 9:00am - 12:00pm Tue, Nov 4, 2025, 9:00am - 12:00pm Tue, Nov 11, 2025, 9:00am - 12:00pm Fort Mason Flagpole Help restore and maintain historic landscapes and cultural resources throughout Fort Mason. Register (CANCELED) Sutro Heights Historic Landscaping and Maintenance Wed, Jun 4, 2025, 9:00am - 12:00pm Wed, Oct 1, 2025, 9:00am - 12:00pm Wed, Oct 15, 2025, 9:00am - 12:00pm Wed, Nov 5, 2025, 9:00am - 12:00pm Wed, Mar 18, 2026, 9:00am - 12:00pm Sutro Heights Park Help restore and maintain historic landscapes and cultural resources throughout Sutro Heights Park. Pagination Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 … Next page ›› Last page Last »
