Separated by the city of Tucson, Saguaro National Park is divided into two districts: Rincon Mountain (Saguaro East) is about 15 miles east of Tucson via Old Spanish Trail, and Tucson Mountain (Saguaro West) is 15 miles west via Speedway Boulevard. Both districts typify the Sonoran arboreal desert and contain stands of saguaro cacti, known for their sometimes humanlike shapes. Learn More...