Located southeastern Arizona, Saguaro National Park is home to the giant saguaro cactus. The park is located in two separate areas - west of the city of Tucson and east of the city. Tucson Mountain District (TMD) is about 10 miles west of the city of Tucson. Rincon Mountain District (RMD) about 10 miles east of the city of Tucson. Popular activities in the park include hiking and sightseeing.