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Japurá(zhəpo͞orä`), river, c.1,750 mi (2,815 km) long, rising as the Caquetá in the Andes, SW Colombia. It flows SE into Brazil, where it is called the Japurá, and enters the Amazon through a network of channels. It is navigable by small boats in Brazil.
(Yapurá), a river in Colombia, where it is called the Caquetá, and in Brazil. It is a left tributary of the Amazon. Length, approximately 2,000 km; basin area, approximately 170,000 sq km. It originates in Colombia’s Cordillera Central. In the upper Japurá, in the Andes and the western part of the Guiana Highlands, the river is full of rapids; in the Amazon lowland it is wide and calm. The Japurá’s lower course is composed of numerous branches, channels, and old beds, which join the Amazon 600 km from the sea. The river is fed by rain. During high water, from March to July, the Japurá overflows its banks, forming lakes. The average water dis-charge is approximately 6,000 cu m per sec. The Japurá is navigable in Brazil.