Camp Low or San Juan Bautista Post, was a military post first established at San Juan Bautista in December 1864 by California Volunteers, in response to the attacks of the Mason Henry Gang in the surrounding area, during the American Civil War. The post was named in honor of the Governor of California Frederick F. Low In February 1865, Company B of the Native Cavalry, California Volunteers arrived from San Francisco at Camp Low under Captain Porfirio Jimeno.