- Tapajós River
River, northern Brazil.Formed by the confluence of the Teles Pires and the Juruena rivers, it flows northeast to empty into the Amazon River just above Santarém after a course of about 400 mi (650 km). Though interrupted by rapids, its entire length is navigable. Several important rubber plantations lie along its banks.
* * *Portuguese Rio Tapajós,central Brazil, formed by the union of the Teles Pires and the Juruena rivers, in north-central Mato Grosso estado (state). It winds northward through the Mato Grosso plateau and forms the state border between Mato Grosso and Amazonas and then between Pará and Amazonas states. It bends north-northeastward, traverses Pará, and empties into the Amazon River just above Santarém, after a course of about 400 miles (650 km). Its length, including its longest tributary, the Teles Pires, is 1,238 miles (1,992 km).Although the Tapajós is interrupted by rapids, its entire length is navigable. It is even possible for rivercraft to ply the Tapajós and the Arinos, pass through a canal into the Cuiaba River, a tributary of the Paraguay River, and eventually reach Buenos Aires, Arg.
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