rivers library
South American rivers vary greatly in size and significance from the Amazon River to the Putumayo River. Learn more about these South American rivers and more.
Featured Article: The Casiquiare River
Casiquiare River, also Cassiquiare River and Canal Casiquiare, a river linking the Orinoco and Amazon river systems of South America. See more »
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Articles 1-20 of 21
Essequibo
Essequibo, the largest river in Guyana. Its source is in the Guiana Highlands on the Brazilian border.
See more »The Amazon River
Amazon River, (Portuguese and Spanish: Amazonas), one of the great rivers of the world and the chief river of South America.
See more »The Casiquiare River
Casiquiare River, also Cassiquiare River and Canal Casiquiare, a river linking the Orinoco and Amazon river systems of South America.
See more »The Japura River
Japurá River, a river in South America. It is called the Caquetá in Colombia. The length is estimated at 1,700 miles (2,740 km).
See more »The Madeira River
Madeira River, a main tributary of the Amazon River. It begins at the junction of the Mamoré and Beni rivers and flows generally northeastward through Brazil, reaching the Amazon 90 miles (145 km) east of Manaus.
See more »The Magdalena River
Magdalena River, the main river of Colombia, South America. From southwestern Colombia it flows about 1,000 miles (1,600 km) northward to the Caribbean Sea—past Neiva, Girardot, and the port of Barranquilla.
See more »The Maipo River
Maipo River, a river in central Chile. It flows 155 miles (249 km) westward from the Andes Mountains to the Pacific Ocean.
See more »The Napo River
Napo River, a tributary of the Amazon. It begins in the Andes Mountains of central Ecuador, flows southeastward into Peru, and enters the Amazon 50 miles (80 km) north of Iquitos.
See more »The Orinoco River
Orinoco River, one of the great rivers of South America. It flows through the northern part of the continent, draining parts of Venezuela and Colombia.
See more »The Paraguay River
Paraguay River, a river in central South America. From its source on the Mato Grosso Plateau in southwestern Brazil it flows generally southward through Paraguay to join the Paraná River just north of Corrientes, Argentina.
See more »The Parana River
Paraná River (Spanish, a river in southeastern South America. It is formed by the union of the Grande and Paranaíba rivers in southern Brazil.
See more »The Paranaiba River
Paranaíba River, a river in eastern South America. Its source is in east-central Brazil, and it flows west and southwest for about 500 miles (800 km), uniting with the Grande in southern Brazil to form the Paraná River.
See more »The Pilcomayo River
Pilcomayo River, a river in central South America. It begins in the Andes Mountains of western Bolivia, and flows southeastward 700 miles (1,100 km) to join the Paraguay River at Asunción, Paraguary.
See more »The Purus River
Purus River, a tributary of the Amazon River in central South America. It begins as the Alto (upper) Purús in the Peruvian Andes and flows northeastward for about 1,800 miles (2,900 km).
See more »The Putumayo River
Putumayo River, (in Brazil: Iĉa, a tributary of the Amazon River in east-central South America.
See more »The Rio de La Plata
La Plata, Río de, a body of water forming the major indentation on the Atlantic coast of South America.
See more »The Rio Negro
Rio Negro, a river and important tributary of the Amazon River in South America. It begins at the junction of the Guainía and Casiquiare rivers on the Colombia-Venezuela boundary and forms the boundary between those two countries as it flows southward into Brazil.
See more »The Sao Francisco River
São Francisco River, a major river in eastern Brazil, the longest entirely within the country.
See more »The Tapajos River
Tapajós River, a principal tributary of the Amazon River. The Tapajós is formed by the junction of the Juruena and Teles Pires (Sāo Manuel) rivers in north-central Brazil and flows some 500 miles (800 km) northeastward to the Amazon at Santarém.
See more »The Ucayali River
Ucayali River, a river in eastern and northern Peru, and one of the main headstreams of the Amazon River.
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