The Gurupí River is a river in north-central

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 ...

which forms the boundary between

Maranhão Maranhão () is a state in Brazil. Located in the country's Northeast Region, it has a population of about 7 million and an area of . Clockwise from north, it borders on the Atlantic Ocean for 2,243 km and the states of Piauí, Tocantins and ...

and

Pará Pará is a state of Brazil, located in northern Brazil and traversed by the lower Amazon River. It borders the Brazilian states of Amapá, Maranhão, Tocantins, Mato Grosso, Amazonas and Roraima. To the northwest are the borders of Guyana ...

states. The Gurupí rises in the low hills which separate its basin from that of the

Tocantins River The Tocantins River ( pt, Rio Tocantins, link=no , , Parkatêjê: ''Pyti'' ɨˈti is a river in Brazil, the central fluvial artery of the country. In the Tupi language, its name means " toucan's beak" (''Tukã'' for "toucan" and ''Ti'' for "beak ...

to the south, and flows north into the

Atlantic Ocean The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe ...

. The Serra do Tiracambu lies to the east, and separates the basin of the Gurupí from that of the Pindaré River. Part of the basin lies in the

Gurupi Biological Reserve Gurupi Biological Reserve ( pt, Reserva Biológica do Gurupi) is a biological reserve in the State of Maranhão, in Brazil. Location The Gurupi Biological Reserve covers parts of the municipalities of Centro Novo do Maranhão and Bom Jardim i ...

, a full protected conservation unit created in 1988. Average annual rainfall is . Temperatures range from with an average of . The Gurupí basin is home to tropical moist broadleaf forest, and lies within the

Tocantins–Araguaia–Maranhão moist forests The Tocantins–Araguaia–Maranhão moist forests (NT0170), also called the Tocantins/Pindaré moist forests, is an ecoregion in the north of Brazil to the south of the mouth of the Amazon River. It is part of the Amazon biome. The ecoregion con ...

ecoregion An ecoregion (ecological region) or ecozone (ecological zone) is an ecologically and geographically defined area that is smaller than a bioregion, which in turn is smaller than a biogeographic realm. Ecoregions cover relatively large areas of ...

References

Rivers of Maranhão Rivers of Pará {{Maranhão-river-stub

See also

References