The Great Salt Lake of Utah lies about 5 miles northwest of Salt Lake City.
It is the largest salt lake on the North American continent at 72 miles (115 kilometers) long, 30 miles (48 kilometers) wide, and 27 feet (8 meters) deep. Some 300,000 tons (304,800 metric tons) of salt are extracted from it every year.
To the southwest of the Great Salt Lake, the Great Salt Lake Desert extends 140 by 80 miles (224 by 128 kilometers).
Included in this desert are the Bonneville Salt Flats, vast stretches of hard, salt-encrusted land famous as a testing ground for race cars. This desert is a good location to see mirages on sweltering hot days.
The lake, desert, and flats were all once part of the vast prehistoric Lake Bonneville.