Cuiabá River

The Cuiabá River (Portuguese: Rio Cuiabá) is a Brazilian river in the southern state of Mato Grosso that flows in the Rio de la Plata Basin.

At Cuiabá its lower portion enters the Pantanal ecosystem and region, flowing through extensive and important Ramsar Convention protected wetlands for waterfowl, migratory birds, and other wildlife. It flows through the Pantanal Matogrossense National Park here.