Located 35 miles from Tucson. Take Tanque Verde Road east to Catalina Highway, then north to Summerhaven or Ski Valley. With an altitude of 8,250 feet, Mt. Lemmon provides winter skiing, a chance to see the leaves turn color in the fall, and a place to cool off in the summer. There are about 150 miles of hiking trails, and several gift shops and restaurants. Toll Road.