John Muir Mountain Day Camp

John Muir Mountain Day Camp is based at the John Muir National Historic Site in Martinez. California, where John Muir—naturalist, preservationist, writer, farmer and father—lived and raised his family for 24 years. Campers explore Muir’s land and 1882 Victorian home, and view his “scribble den,” where he penned many of his influential works.

At the John Muir Mountain Day Camp, kids have a great time while they learn how Muir’s legacy is still helping the earth be a healthier, more beautiful place to live. Each week is packed with fun and informative activities, such as exploring nature trails, painting, baking sourdough bread, journaling as Muir did, and discovering local plants and animals.

John Muir Mountain Day Camp is the only camp which offers children a John Muir “immersion experience”. Everything we do at camp is modeled after what John Muir did, or would do if he were alive today.

We still make bread balls with Sourdough Starter that was first used1 47 years ago. We still wander the hills on the Alhambra Ranch, learning the names of the flowers and the trees. We try to instill values that are family-oriented and nature-friendly, in the spirit of John Muir.

Camp, Directors Jill Harcke and Sheila Hill tell the parents:

“We unplug your children from their phones, computers and Facebook; we throw the kids in the dirt for a week and they come away richer for having less.”

Parents eagerly say: “Where can I sign up.”

John Muir Mountain Day Camp is a unique experience for children ages 7 to 12 that instills an appreciation for nature, and for the life and legacy of John Muir.

Session 1- July 16-20

Session 2 – July 23-27

Monday-Friday. 8:40 a.m. – 3:00 p.m. Scholarships are available. Camp is held at the John Muir National Historic Site, 4202 Alhambra Ave., Martinez 94553. Questions? Call 510-701-3254. You can register online-at

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