South America nature

The Amazon River
in South America is the largest river by discharge of water in the world, and the second in length.
The Rio Negro
is the largest left tributary of the Amazon, the largest blackwater river in the world, and one of the world's ten largest rivers in average discharge.
The Río de la Plata
is the river and estuary formed by the confluence of the Uruguay and the Paraná rivers. It empties into the Atlantic Ocean, forming a funnel-shaped indentation on the southeastern coastline of South America.
The Orinoco
is one of the longest rivers in South America at 2,140 kilometres (1,330 mi). Its drainage basin, sometimes calledande. It flows from north to south.
The Paraguay River
is a major river in south-central South America, running through Brazil, Bolivia, Paraguay and Argentina.
The Paraná River
is a river in south Central South America, running through Brazil, Paraguay, and Argentina for some 4,880 kilometres (3,030 mi). It is second in length only to the Amazon River among South American rivers.
The Uruguay River
is a river in South America. It flows from north to south.

South America lakes

is a large, deep lake in the Andes on the border of Peru and Bolivia.

South America mountains

The Andes
are the longest continental mountain range in the world. They are a continual range of highlands along the western coast of South America. The Andes extend from north to south through seven South American countries: Venezuela, Colombia, Ecuador, Peru, Bolivia, Chile, and Argentina.