It’s mission blue butterfly season in the Golden Gate National Parks, and you can catch a glimpse of this endangered species at Milagra Ridge. Learn about this diminutive butterfly—and the plant upon which its survival depends.

It’s time for an adventure—in the pages of a book or on a path through our parks! Learn about free and fun activities from the San Francisco Public Library, National Park Service, and Parks Conservancy—including reading programs, ranger talks, park shuttles, and more.