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Xingu(zĭng-go͞o`, Port. shēng-go͞o`), river, 1,230 mi (1,979 km) long, rising in central Mato Grosso state, Brazil, and winding north across Pará state into the Amazon River at the head of the Amazon delta. The Xingu, with many rapids and falls, passes through wild, partly unexplored country, and only in its lower course is it navigable. Pioneers have pushed into the area and have settled farms in the forest. The Belo Monte dams and generating station, on the Xingu below Altamira, is one of the world's largest hydroelectric facilities.
a river in Brazil, a right tributary of the Amazon. The Xingu is 1,980 km long and drains an area of 513,000 sq km. It rises in the eastern part of the Mato Grosso Plateau, where it is called the Culuene. As it crosses the northern part of the Brazilian Highlands, it is a powerful, torrential stream with rapids and waterfalls. After its last rapids, Cachoeira Grande, the Xingu flows into the Amazon Basin. Its final section, which is accessible to ships, is 160 km long and reaches a width of 8–12 km. The chief tributary of the Xingu is the Iriri, a left tributary. The Xingu is fed by rain; high water occurs from October until April or May. The mean flow rate is 16,000 cu m per sec. The Xingu is navigable for 190 km from its mouth.