what major river runs west to east in south america
Here are the top 20 longest rivers of S America:
1. Amazon–Ucayali–Tambo–Ene–Apurímac
The Amazon river system is the longest of its kind in South America with a total length of three,999 miles, starting from the Apurímac River on the west declension of Southward America, and traveling northeast to the Atlantic Bounding main on the east declension. It'due south also the biggest river in South America in terms of the volume of water it drains into the Atlantic Ocean, with a full discharge of 7,400,000 cubic feet per second. Multiple rivers are located to the northward and south of the Amazon River, and contribute their waters to create the biggest river in South America.
The Apurímac river originates from a ridge on the Mismi mount in the Arequipa Province in Peru, then flows for 450 miles until information technology reaches the Ene River. From there, the Ene and Perene' rivers join together and form the Tambo section of the Amazon for about 99 miles. As the river makes its way to the northeast, it over again changes to the Ucayali River at around ane,659 miles from its source on the Mismi mount. The Ucayali is the last headwater of the Amazon River basin before it discharges into the Atlantic Ocean. Numerous rivers feed the Amazon every bit it traverses from west to east, helping information technology maintain its vastness and book.
2. Río De La Plata–Paraná–Rio Grande
The Río De La Plata–Paraná–Rio Grande is a series of rivers that run through Brazil, Paraguay, and Argentine republic, and is the 2nd-largest river in Due south America. The Río De La Plata, or River Plate in English, is an estuary that's formed by the joining of the Paraná and Uruguay Rivers. The river itself is about 180 miles long, and is about 140 miles broad at its oral cavity where it meets the Atlantic Body of water near Buenos Aires.
The Paraná River runs through Brazil, Paraguay, and Argentina for a full of iii,030 miles, making it another one of the longest rivers in South America, and 2d to the Amazon River. It begins where the Paranaiba and Rio Grande rivers come up together in southern Brazil, then heads a southwestern direction for near 385 miles until it reaches Paraguay. From at that place, it forms a purlieus between Paraguay and Brazil, and so meanders further south until it meets with the Uruguay River and becomes role of the Río De La Plata
The Rio Grande begins in the Mantiqueira Mountains in Minas Gerais, Brazil, and heads on a northwest path for 677 miles before joining with the Paraná River in Brazil.
3. Tocantins–Araguaia
The Tocantins-Araquaia Rivers are two river systems that cover about 9.5% of the territory of Brazil, and combine together near São João in the northern part of the country. The Araguaia River is one,632 miles long from its origins in the Brazilian Highlands to where it combines with the Tocantins River. Information technology forms borders between multiple states in Brazil, and contains a biologically rich section of the eastern Amazon. Over 700 species of birds and 300 species of fish telephone call the river home, along with large populations of river-habitation mammals.
The Tocantins River is located to the east of the Araguaia River and has its origin on the central plateau of Goiás. It heads north for nigh i,677 miles from start to terminate, and is a tributary of the Amazon River, although it'due south technically a separate arrangement with its own drainage bowl. The river is of limited use for transportation due to the fact it has multiple waterfalls and a hydroelectric facility that prevents water vessels from easily traversing the length of the river. It'southward also one of the three clearwater rivers that connect to the Amazon River.
4. Madeira–Mamoré–Grande–Caine–Rocha
The Madeira–Mamoré–Grande–Caine–Rocha river system is 2,100 miles long, and is the third largest river in South America. The river'south course goes through Brazil, Peru, and Bolivia. The Madeira River itself is 900 miles long and is a major tributary of the Amazon River, accounting for 15% of the Amazon'south h2o book. The Mamoré, a tributary of the Madeira, is most 2,100 miles in length. The Grande River is the originating river of the Mamoré with its source located in the Mantiqueira Mountains of south-central Brazil. Information technology descends on a westward-northwest path towards the Brazilian states of Minas Gerais and São Paulo for about 845 miles before joining the Upper Paranaíba River.
5. Purús
The Purús River has the stardom of being the fifth of the longest rivers in South America every bit well as beingness the nigh crooked, and has a full length of 1,995 miles. The river originates in Peru, and forms part of the boundary between Republic of peru and Brazil in the Brazilian state of Acre. The path of the river is a pregnant i as it flows through the Arapixi Extractive Reserve, then goes on to form the western boundary of the Purús National Forest. Information technology then borders the Medio Purús Extractive Reserve, flows through the Canutama Extractive Reserve, and the Piagaçu-Purus Sustainable Development Reserve before flowing into the Amazon River.
6. São Francisco
The São Francisco River is the longest river in Brazil, and runs for its entirety through the country. It'south also the quaternary largest river in Due south America with a length of 1,811 miles. The source of the river is located in the Canastra mountains, located in the Brazilian country of Minas Gerais, and flows northward until it gradually turns e effectually the towns of Barra and Xique-Xique. The São Francisco forms the borders of 5 states along its road as well as playing an important role of supplying water to the semi-arid region of Brazil. As the river traverses towards the Atlantic sea, it passes through iv sections that see it descend in summit. A full of 168 streams and rivers feed the São Francisco on its pathway.
7. Araguaia
Some other one of the biggest rivers in South America is the Araguaia. Its volume is almost equal to that of the Tocantins with which it merges in the northeastern portion of Brazil. It's 1,632 miles long, and has an boilerplate belch of 218,000 cu ft/due south compared to the Tocantins' 227,000 cu ft/s. The Araguaia River forms the border of four states in Brazil, and has xi major communities along its riverbanks. The Emas National Park and the Araguaia National Park help protect sections of the river from development, and other sections feature beach-like settings with sandbanks that are perfect for visitors from May to Oct.
8. Japurá (Rio Yapurá)
The Japurá, or Caquetá-Japurá, is a tributary of the Amazon river that originates in Colombia and has a length of i,750. It'south the quaternary longest river in South America that feeds the Amazon river. The first two-thirds of the river is called Caquetá as information technology flows through Colombia, then becomes the Japurá when it enters into Brazil. The Caquetá-Japurá is classified equally a turbid river due to its murky coloration that is the issue of clearwater and backwater tributaries. Two federally protected reserves, the Chiribiquete National Park and Cahuniari National Park, are located along the banks of the Caquetá-Japurá in Colombia.
9. Paraguay (Rio Paraguay)
The Paraguay River is the fifth largest river in South America and stretches 1,584 miles from its origins in the Mato Grosso surface area of Brazil to its confluence with the Paraná River. The river runs on a south-southwestern course through the country of Paraguay, dividing it into ii halves. The western section of the country is largely uninhabited, and the eastern department holds about 98% of the state'south population. Towards the lower end of the river in the southward, it forms the edge with Argentina, and eventually ceases its course every bit it runs into the Paraná River.
10. Pilcomayo
The Pilcomayo River is the main tributary to the Paraguay River, and has a length of ane,550 miles. Its source is located in the Andes Mountains. It starts in the Oruro Department in Republic of bolivia, and flows in a southeast direction to eventually cantankerous through the Gran Chaco plains in Paraguay. As the river flows through the Gran Chaco plains, it forms a portion of the border between Argentine republic and Paraguay. At one point during its course, the river silts up, then splits into two large branches known as the North and Due south Pilcomayo. Eventually, the two sections rejoin to create the Lower Pilcomayo.
xi. Juruá
The Juruá River is one of the longest rivers in S America with a length of 2,040 miles. Information technology'due south known every bit the near-winding river due to its frequent switchbacks as information technology makes its mode n, then eastward, to the Amazon River. Few people live forth the course of the Juruá, only the river plays a vital role in supplying water to the rainforests forth its banks, and multiple nature reserves that it flows through.
12. Negro
The Negro River, as well known as Rio Negro or Guainia, contributes 14% of the volume to the Amazon River basin and is one of the biggest rivers in the earth by discharge volume of 1,269,300 cu ft/south. The river is also the largest backwater river in the world. The source of the Negro is found in Columbia, where information technology's known as the Guainia River. It flows e-northeast through the Puinawai National Reserve before it reaches Columbia and forms part of the edge between Columbia and Venezuela. It so changes grade and flows southeast through several major towns and reservations on its manner to empty into the Amazon River.
thirteen. Orinoco
The Orinoco is one of the longest rivers in South America with a total length of 1,400 miles from its origin in Venezuela to its termination at the Atlantic Ocean. In terms of water belch volume, information technology's the fourth largest river in the world. The Orinoco River was discovered by Columbus in 1498, and is one of the most well-documented rivers in South America. Explorers have traversed its waterways for hundreds of years with one explorer, Alexander Von Humboldt, discovering the pinkish river dolphins in 1800. In that location are four different sections of the river that are known as the Upper, Middle, and Lower Orinoco, and the last stretch is named Delta Amacuro.
14. Xingu
The Xingu River is located in northern Brazil, and is a tributary of the Amazon River. At 1,019 miles long, it's i of the shorter rivers, but is the largest clearwater river in the Amazon basin. The Xingu provides about v% of the total volume of water of the Amazon River. The starting time Ethnic Park in Brazil, a reserve of land gear up bated for ethnic tribes, was formed forth the riverbanks of the Xingu to protect tribal lands and preserve admission to the river.
15. Northern Salado
The Northern Salado River is located in the Buenoes Aires province of Argentina, and originates at Lake El Chañar at a relatively low summit of 130 anxiety above sea level. The river flows southeast for about 400 miles until it reaches the Samborombón Bay and empties into the Atlantic Bounding main. The Salado River plays an important part in the irrigation of the plains of the Pampas, a fertile grassland that stretches across 460,000 foursquare miles of southeastern South America.
16. Tapajós
The Tapajós is ane of three clearwater rivers that are tributaries to the Amazon River, and information technology supplies six% of the water in the Amazon Basin, making it one of the largest tributaries in the organisation. The river is 1,200 miles long, and forms the border between the Para and Amazonas states of Brazil. The Tapajós River plays a crucial role in supporting wild fauna, human being habitation, and agronomics forth its form with unique species of fish calling the river dwelling, 10 indigenous tribes living forth the river bowl, and helping to produce i-tertiary of the world's soy.
17. Guaporé (Itenez)
The Guaporé River is located in western Brazil and the northeastern portion of Bolivia, and forms a portion of the border betwixt the two countries. It's 780 miles long and is a part of the edge of the Guaporé Biological Reserve, an important nature reserve that'southward rich in fish, institute, bird, and mammal life.
18. Uruguay
The Uruguay River is located in southern Brazil, and begins its journeying equally the Pelotas River about 40 miles inland from the Atlantic coast in Santa Catarina, Brazil. It gets its name Uruguay after it meets upward with the Canoas River, and heads west/southwest until it forms the edge betwixt Argentina and Brazil. The Uruguay River runs for 990 miles until it reaches the Paraná River. The ii rivers and so combine to form the estuary of the Rio de la Plata River.
xix. Beni
The Beni River comes into being in the northern section of Bolivia. The river basin is formed by multiple confluents that come together to form the origin of the river in an area north of La Paz, Bolivia's capital. Information technology runs a class of effectually 1,000 miles before information technology reaches the Mamoré River in Villa Bella at the edge betwixt Republic of bolivia and Brazil. From there, the combined rivers menstruation into the Madeira River, which eventually connects with the Amazon River in the northeast of Brazil.
20. Içá (Putumayo)
The Içá River, likewise known as the Putumayo River, is a tributary of the Amazon river and forms part of the border of Republic of colombia and Ecuador, and Columbia and Peru. All iii South American nations refer to the river as the Putumayo, but the Brazilians telephone call information technology the Içá River when it crosses the border. The waters of the almost 1,000 mile-long river are smooth and apartment with no rapids, making it a popular waterway for boat traffic.
The Içá/Putumayo River originates in the Andes mountains with the La Cocha Lake serving every bit its source. The Guamués River forms the initial leg of the Içá/Putumayo, and is known equally the Guamués until it reaches Puerto Asís, Columbia, where it becomes known as the Putumayo. From in that location, the river travels southeast until it joins the Amazon in Brazil.
Source: https://www.mappr.co/river-maps/shouth-america/
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