The Gurupi River is a river in north-central

Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...

that forms the boundary between

Maranhão Maranhão () is a States of Brazil, state in Brazil. Located in the country's Northeast Region, Brazil, Northeast Region, it has a population of about 7 million and an area of and it is divided into 217 municipalities. Clockwise from north, it ...

and

Pará Pará () is a Federative units of Brazil, state of Brazil, located in northern Brazil and traversed by the lower Amazon River. It borders the Brazilian states of Amapá, Maranhão, Tocantins (state), Tocantins, Mato Grosso, Amazonas (Brazilian st ...

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

Tocantins River The Tocantins River ( , Parkatêjê dialect, 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"). It ...

to the south, and flows north into the

Atlantic Ocean The Atlantic Ocean is the second largest of the world's five borders of the oceans, oceanic divisions, with an area of about . It covers approximately 17% of Earth#Surface, Earth's surface and about 24% of its water surface area. During the ...

. The Serra do Tiracambu lies to the east, and separates the basin of the Gurupi from that of the

Pindaré River The Pindaré River is a river in Maranhão state of north-central Brazil. The Pindaré rises in the low hills which separate its basin from that of the Tocantins River to the south. In its lower reaches it is called the Pindaré-Mirim. It is a lef ...

. Part of the basin lies in the Gurupi Biological Reserve, a fully protected conservation unit created in 1988. The average annual rainfall is . Temperatures range from with an average of . The Gurupi basin is home to tropical moist broadleaf forest, and lies within the Tocantins–Araguaia–Maranhão moist forest

ecoregion An ecoregion (ecological region) is an ecological and geographic area that exists on multiple different levels, defined by type, quality, and quantity of environmental resources. Ecoregions cover relatively large areas of land or water, and c ...

References

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

See also

References