Camarillo State Hospital Collection. In 1932, 1500 acres located within the City of Camarillo, County of Ventura were acquired for a state hospital. The hospital was expected to house 7000 patients and over 700 staff. At completion, it was the largest mental hospital in the world. CAM officially closed in June of 1993, but, it was reacquired by the CSU in 1996 as the first university in the…