Tocantins River, Brazil, South America, 2,450 kilometers

Tocantins River is a river located in Brazil, South America.

It is 2,450 kilometers long.

The river is important to the region as it is a main source of water and connects much of the country.

It was discovered by Portuguese explorer Francisco de Orellana in 1541.

The river has a diverse ecosystem and is home to many species of fish, reptiles, and birds.

It is a popular spot for recreation such as swimming, boating, and fishing.

The river is threatened by deforestation, pollution, and climate change.

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