Painted Rock is a protected sandstone alcove in Carrizo Plain National Monument whose interior preserves one of the plain’s best-known concentrations of Native pictograph art. Formed in the early Miocene, the outcrop was painted over many thousands of years by Native peoples associated with the Chumash, Salinan, and Yokuts, using colored yucca pigments applied by finger or brush. The imagery has been linked to ritual or shamanic traditions, though its meanings remain uncertain. Later travelers and settlers left engravings and inscriptions, and severe vandalism in the 1920s caused lasting damage. Despite cleanup efforts, weathering and defacement have left the site heavily damaged, and it remains protected, culturally important, and still used for Native ceremonies.