From the top of Mt. Wrightson in the Santa Rita range (south of Tucson) one stands 9,453 ft. (2,881 m) above sea-level and about 7,200 ft. (2,195 m) above the city. With such spectacular views and dry air, is it any wonder this area is home to many of the worlds biggest astronomical telescopes?Mt_Wrightson.jpg (Nov. 01, 1999)