The Ji-Paraná River (Machado River), sometimes spelled Jiparaná, is a river in
Rondônia
Rondônia () is one of the 26 states of Brazil, located in the northern subdivision of the country (central-western part). To the west is a short border with the state of Acre, to the north is the state of Amazonas, in the east is Mato Grosso, ...
state in western
Brazil
Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...
. It is a tributary of the
Madeira River
The Madeira River ( pt, Rio Madeira, link=no ) is a major waterway in South America. It is estimated to be in length, while the Madeira-Mamoré is estimated near or in length depending on the measuring party and their methods. The Madeira is ...
in the
Amazon Basin
The Amazon basin is the part of South America drained by the Amazon River and its tributaries. The Amazon drainage basin covers an area of about , or about 35.5 percent of the South American continent. It is located in the countries of Bolivi ...
. For much of its length it runs roughly parallel with the northeastern state border of Rondônia. The city of
Ji-Paraná
Ji-Paraná is the second most populous municipality in the Brazilian state of Rondônia, with a population of 130,009, and the 16th most populous city of the Brazilian North Region, the 210th most populous city of Brazil, and the 113th of the Braz ...
is divided by the river.
Part of the river's basin is covered by the
Jacundá National Forest, a sustainable use conservation unit.
Part of the basin is in the
Jaru Biological Reserve, a fully protected conservation unit created in 1984.
The river forms the southern boundary in
Rondônia
Rondônia () is one of the 26 states of Brazil, located in the northern subdivision of the country (central-western part). To the west is a short border with the state of Acre, to the north is the state of Amazonas, in the east is Mato Grosso, ...
of the
Campos Amazônicos National Park
The Campos Amazônicos National Park ( pt, Parque Nacional dos Campos Amazônicos) is a National park in the states of Rondônia, Amazonas and Mato Grosso, Brazil.
Location
The Campos Amazônicos National Park covers parts of the municipalities ...
, a protected area created in 2006 that holds an unusual enclave of
cerrado
The ''Cerrado'' (, ) is a vast ecoregion of tropical savanna in eastern Brazil, particularly in the states of Goiás, Mato Grosso do Sul, Mato Grosso, Tocantins, Minas Gerais, and the Federal District. The core areas of the Cerrado biome are t ...
vegetation in the Amazon rainforest.
See also
*
List of rivers of Rondônia
List of rivers in Rondônia (Brazilian State).
The list is arranged by drainage basin, with respective tributaries indented under each larger stream's name and ordered from downstream to upstream. Rondônia is located entirely within the Amazon B ...
References
Brazilian Ministry of Transport
River
A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of wate ...
Rivers of Rondônia
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