Geography
Tucson is located at 32°12′52″N, 110°55′5″W (32.214476, -110.918192).GR1
According to the United States Census Bureau, the city has a total area of 505.3 km² (195.1 mi²). 504.2 km² (194.7 mi²) of it is land and 1.1 km² (0.4 mi²) of it (0.22%) is water.
The city's elevation is 2,389 ft (728 m) above sea level. Tucson is situated on an alluvial plain in the Sonoran desert, surrounded by five minor ranges of mountains: the Santa Catalina Mountains and the Tortolita Mountains to the north, the Santa Rita Mountains to the south, the Rincon Mountains to the east, and the Tucson Mountains to the west. The high point of the Santa Catalina Mountains is 9,157-foot Mount Lemmon, the southernmost ski destination in the continental U.S., while the Tucson Mountains include 4,687-foot Wasson Peak.
The city is located on the Santa Cruz River, a dry river bed much of the year that floods during significant seasonal rains. (The Santa Cruz becomes a subterranean stream part of the year although it may appear dry.)
Tucson is located along I-10, which runs through Phoenix toward Santa Monica, California in the northwest, and through El Paso, Texas, and New Orleans, Louisiana, toward Jacksonville, Florida in the east. I-19, runs south from Tucson toward Nogales and the U.S.-Mexico border.
(Source: Wikipedia.org)
