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Clean-up at Quartermaster Reach Marsh

Sat, Feb 21, 2026, 1:00 - 3:00pm

Presidio Transit Center

Join the Presidio’s Natural Resources team for an afternoon of litter removal.

Alcatraz Historic Gardens

Upcoming Event Dates

Wed, Feb 11, 2026, 8:00am - 12:00pm
Thu, Feb 12, 2026, 8:00am - 12:00pm
Wed, Feb 18, 2026, 8:00am - 12:00pm

Alcatraz Gardens

Help restore and maintain gardens once tended by the island’s military and penitentiary residents—add life, color, and vibrancy to the Rock.

(CANCELED) Alcatraz Historic Gardens

Thu, Nov 27, 2025, 8:00am - 12:00pm Wed, Dec 24, 2025, 8:00am - 12:00pm Thu, Dec 25, 2025, 8:00am - 12:00pm Wed, Dec 31, 2025, 8:00am - 12:00pm Thu, Jan 1, 2026, 8:00am - 12:00pm Thu, Feb 5, 2026, 8:00am - 12:00pm Wed, Mar 4, 2026, 8:00am - 12:00pm Thu, Jan 15, 2026, 8:00am - 12:00pm Wed, Jan 21, 2026, 8:00am - 12:00pm

Alcatraz Gardens

Help restore and maintain gardens once tended by the island’s military and penitentiary residents—add life, color, and vibrancy to the Rock.