アマゾン川

The Amazon River is a river located in South America. It flows through Peru, Colombia, and Brazil. The river originates from the Marañón River and the Ucayali River. Its mouth empties into the Atlantic Ocean. The watercourse is named after the Amazons.

Major tributaries include the Madeira River, Tapajós River, Xingu River, and Rio Negro. The Amazon basin covers a watershed area of 7,050,000. The drainage basin extends across Brazil, Colombia, Peru, and Bolivia. The river has a discharge of 209,000.

The subject is described by sources such as the Brockhaus and Efron Encyclopedic Dictionary, The Nuttall Encyclopædia, Encyclopædia Britannica 11th edition, and the New International Encyclopedia. It is referenced by 2,084 other encyclopedia articles. The river is distinct from Amazonka.