Cuiabá River

In its upper reaches the Cuiabá River flows through the 11,328 hectares (27,990 acres) Águas do Cuiabá Ecological Station, which was created as a state park in June 2002 as part of an effort to clean up the water of the river, which was polluted with garbage and raw sewage.[2] 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.

The Cuiabá continues southwest and forms part of the eastern border of the Encontro das Águas State Park.[3] On some maps it is now called the Canabu River.[4] The Cuiabá / Canabu cuts across the park, where it joins the São Lourenço River, or Pingara River, which also cuts across the park from the east.[3] The Cuiabá River is 480 kilometres (300 mi) long to the point where it joins the São Lourenço River.[5] After their confluence the subsequent river continues to be named the Cuiabá River on some maps.[5] The combined river flows through the Pantanal Matogrossense National Park, and is a tributary of the Paraguay River.

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  Cuiabá River, in Cuiabá, Mato Grosso
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  Cuiabá River near Porto Jofre, in the Pantanal, Mato Grosso
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  Cuiabá River, below Corumbá in Mato Grosso, southern Brazil

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• List of tributaries of the Río de la Plata
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