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Dead Sea, salt lake, c.390 sq mi (1,010 sq km), extending c.45 mi (70 km) in the Jordan trough of the Great Rift Valley between the Ghor on the north and Wadi Arabah on the south, on the border between Israel and the West Bank (W) and Jordan (E). The coastal surface of the Dead Sea, 1,292 ft (394 m) below sea level, is the lowest dry point on earth. Situated between steep, rocky cliffs, 2,500 to 4,000 ft (762–1,219 m) high, the sea is divided by the Al Lisan peninsula into two basins : a larger northern basin c.1,300 ft (400 m) deep, and a smaller southern basin, c.35 ft (11 m) deep. The lake is fed by the Jordan River and a number of small streams; it has no outlet. The inflow has been greatly reduced by the increased use of the waters of the Jordan for irrigation. Since it is located in a very hot and dry region, the Dead Sea loses much water through evaporation; its level fluctuates during the year. One of the saltiest water bodies in the world, the sea supports no life. It yields large amounts of mineral salts; potash and bromine are commercially extracted. The ancient cities of Sodom and Gomorrah were on the southwestern shore; present-day Sodom is the site of mineral-salt extraction works. The Dead Sea coast in Israel is the site of beaches, spas, and tourist hotels. Biblical names for the Dead Sea include Salt Sea, East Sea, and Sea of the Plain.
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