Earth Week

Wed, May 21, 2025, 10:00am - 2:30pm

Hiking with a mission – help find and remove new infestations of invasive weeds while exploring the parks.

Registration Required

Wed, May 14, 2025, 10:00am - 2:30pm

Hiking with a mission – help find and remove new infestations of invasive weeds while exploring the parks.

Registration Required

Wed, Apr 23, 2025, 10:00am - 2:30pm

Hiking with a mission – help find and remove new infestations of invasive weeds while exploring the parks.

Registration Required

Wed, Apr 2, 2025, 10:00am - 2:30pm

Hiking with a mission – help find and remove new infestations of invasive weeds while exploring the parks.

Registration Required

Thu, Apr 24, 2025, 10:00am - 1:00pm

Join us to celebrate Earth Day and restore and maintain historic Crissy Field!

Tue, Apr 22, 2025, 10:00am - 1:00pm

Join us to celebrate Earth Day and restore and maintain historic Battery East!

Sat, Apr 19, 2025, 1:00 - 4:00pm

Join us to celebrate Earth Day and restore and maintain historic Crissy Field!

Fri, Apr 18, 2025, 10:00am - 1:00pm

Join us to celebrate Earth Day and restore and maintain historic Crissy Field!

Wed, Mar 26, 2025, 10:00am - 2:30pm

Hiking with a mission – help find and remove new infestations of invasive weeds while exploring the parks.

Registration Required

Sat, Apr 26, 2025, 8:30am - 12:00pm

Experience the majesty of the redwoods while lending your hand at Muir Woods!