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River

Araguaia River

1,910 km from source to mouth · Brazil.

BrazilBrazilFlows into Tocantins River9th longest in Brazil

Follow the riverMonth by month

SourceMouth
The river and every tributary in its basin, drawn from RiverATLAS (CC BY 4.0).

In numbers

Length

1,910km

Average flow

6,200m³/s

Basin

370,000km²

Drop

653m

from 743 m to 90 m

Country

1

The journey

From source to mouth

1,910 km of river and 23 stops on the way: 10 towns and cities on its banks, dams, bridges and the tributaries that feed it.

743 m90 m
Sourceat 743 m0 km
Das Garças Rivertributary301 km
Vermelho Rivertributary504 km
Crixás Açu Rivertributary697 km
Rio das Mortestributary904 km
Javaés Rivertributary1,135 km
Cachoeira Macuzão1,379 km
Cachoeira São Miguel1,585 km
Tocantins Riverat 90 m1,910 km
05001,0001,5001,910 km
  1. 0 kmSourceat 743 m
  2. 73 kmAlto Araguaia17,657 people
  3. 300 kmAragarças20,273 people
  4. 301 kmDas Garças Rivertributary
  5. 301 kmBarra do Garças61,135 people
  6. 348 kmCaiapó Rivertributary
  7. 501 kmAruanã8,300 people
  8. 504 kmVermelho Rivertributary
  9. 504 kmPalmeiras Rivertributary
  10. 697 kmCrixás Açu Rivertributary
  11. 904 kmRio das Mortestributary
  12. 920 kmSão Félix do Araguaia14,332 people
  13. 1,135 kmJavaés Rivertributary
  14. 1,198 kmDo Coco Rivertributary
  15. 1,244 kmSanta Maria das Barreiras21,850 people
  16. 1,327 kmConceição do Araguaia47,991 people
  17. 1,379 kmCachoeira Macuzão
  18. 1,580 kmSão Geraldo do Araguaia24,705 people
  19. 1,580 kmXambioá11,520 people
  20. 1,585 kmCachoeira São Miguel
  21. 1,604 kmCachoeira Santa Cruz
  22. 1,626 kmCachoeira São João
  23. 1,628 kmCachoeira de Santa Isabel
  24. 1,707 kmAraguatins33,205 people
  25. 1,910 kmTocantins Riverat 90 m

Water level along the river (RiverATLAS; the height is exaggerated). Towns: GeoNames and Wikidata; bridges, dams and tributaries: Wikidata.

River in the Tocantins River Basin in Brazil

At the mouth it carries 6,172 m³/s on average: 2.5 Olympic pools every second. It drops from 743 m to 90 m, 0.3 m per kilometre on average. Its basin covers 370,000 km², about the size of JP. 4.0 million people live in it. Highest water: from February to March; lowest: from July to October. Dams and reservoirs hold back a large share of its water (17% of a year's flow).

Read more on Wikipedia

Where to start

  • Barra do GarçasLargest city on its banks · 61,135 people
  • On the water24 ferry piers, marinas, boat rentals and boat ramps along the river (OpenStreetMap)
  • From May to AugustThe best months to visit

Araguaia River, month by month

Highest water: from February to March

Lowest water: from July to October. Best months to visit: from May to August.

17,900
26°279 mmJan
20,000
26°248 mmFeb
21,000
26°257 mmMar
18,200
26°149 mmApr
13,300
26°50 mmMay
8,800
25°14 mmJun
4,800
25°9 mmJul
3,000
26°15 mmAug
3,200
27°54 mmSep
5,300
27°142 mmOct
8,700
27°199 mmNov
13,500
26°268 mmDec
Water (estimated flow)Air (average) Rain (mm)Best months

From about 3,000 m³/s in the lowest month to 21,000 m³/s in the highest. An estimate: the monthly flow is modelled from the lowest and highest months of WaterGAP (RiverATLAS, 1971–2000) and the rain and snow along the river (WorldClim). Dams change the real rhythm. The chip is the average air temperature; below it, the month's rain.

Plan the trip

Plan the trip: boat trips, a bed by the river, a car

Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.

The basin

Araguaia River: the basin in numbers

694,421 km² of land send their water to this river. This is what lives on it.

Heavily regulatedReservoirs can hold 17% of a year's flow: dams shape its seasons.
  • 4.0millionpeople live in the basin
  • 6/km²people per km²
  • 381maverage altitude of the basin
  • 1,646mmof rain a year (basin average)
  • 25.5°Caverage air temperature
  • 13%protected areas
  • 0.3%covered by lakes
  • 57km³held in reservoirs

What covers the basin

  • 18% Forest
  • 3% Cropland
  • 45% Pasture

RiverATLAS (HydroATLAS v1.0, CC BY 4.0): land cover, people, protected areas, glaciers and dams over the whole basin upstream of the mouth.

Along the river

Araguaia River: what you find on the way

  • 2DamsBarragem da Pequena Central Hidrelétrica Alto Araguaia, Barragem da Pequena Central Hidrelétrica São Domingos
  • 9WaterfallsCachoeira dos Padres, Cachoeira Couto Magalhães, Cachoeira Pé da Serra and 6 more
  • 1Boat ramps
  • 22Ferry piersAraguaiana, Registro do Araguaia, Cocalinho and 19 more
  • 1MarinasPorto do Bae
  • 7River beachesPraia da Rapadura, Praia Quarto Crescente, Praia and 4 more

From OpenStreetMap, within 2.9 km of the river. Not mapped is not the same as not there.

Cross-checked with our atlases

Araguaia River in our other atlases

What our sister atlases know about the waterfalls on this river, the lakes it flows through, the beaches at its mouth, the mountains where it rises and the islands off its mouth.

  • 5waterfalls on the riverCascadyas

Waterfalls (5)

On the river, by Cascadyas

  1. Cachoeira Macuzãokm 1,481
  2. Cachoeira São Miguelkm 1,702
  3. Cachoeira Santa Cruzkm 1,722
  4. Cachoeira São Joãokm 1,746
  5. Cachoeira de Santa Isabelkm 1,748

Cascadyas is coming soonOpen Cascadyas ↗

From space

The source and the mouth, seen from orbit

Araguaia River: satellite view of the source
The source14 km across
Araguaia River: satellite view of the mouth
The mouth114 km across

Sentinel-2 cloudless 2016 by EOX IT Services GmbH (contains modified Copernicus Sentinel data 2016), CC BY 4.0. The glowing line is the river as drawn by RiverATLAS.

Photos

Araguaia River in pictures

Dvd.araguaia
BRUNNO CARNEIRO · CC0
Araguaia IMG 0461 RACastro
Renato Alvarenga de Castro · CC BY-SA 4.0
Formação de lago na beira do rio Araguaia
Dannver Lemos · CC BY-SA 4.0
POR DO SOL NO ARAGUAIA
Adilson concerva · CC BY-SA 4.0

Tributaries

Where it flows, and what flows into it

Tributaries (31)

Also: Javaés River, Rio das Mortes, Crixás Açu River, Das Garças River, Vermelho River, Do Coco River, Caiapó River, Palmeiras River, Bananal River, Barreiros River, Caiapó River, Das Cunhãs River, Lontra River, Peixe River, Tapirapé River, Babilônia River, Campo Alegre River, Claro River, Diamantina River, Diamantino River, Inajá River, Juari River, Muricizal River, Peixe River

Where these numbers come from

Name, length, placesWikidata (Q171847) · CC0
Course, profile, basinRiverATLAS v1.0 (HydroATLAS, Linke et al. 2019) · CC BY 4.0 — followed from the source to the mouth given by Wikidata
FlowWaterGAP (RiverATLAS), 1971–2000 · CC BY 4.0
Climate along the riverWorldClim (RiverATLAS), 1970–2000 · CC BY 4.0
Towns, bridges, damsWikidata · CC0; GeoNames · CC BY 4.0
Along the river© OpenStreetMap contributors · ODbL
ImagesEOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons
Our other atlasesCascadyas — Wikidata · CC0; © OpenStreetMap contributors · ODbL; GeoNames · CC BY 4.0; HydroLAKES · CC BY 4.0; NOAA OISST

Every source and licence is on the data sources page.

The family

Do you prefer beaches, lakes, mountains, waterfalls, islands, rivers or canyons?

Same idea, other landscapes: field atlases built on open data, month by month, in seven languages.

beachesCoastyaFind your beach: sea temperature, sun and swimming month by month.Visit
lakesLakeyasEvery lake on Earth: water temperature, ice, depth and the shore.Coming soonVisit
mountainsPeakyasEvery summit in 3D: summit weather, the 0 °C line, huts and trails.Visit
waterfallsCascadyasEvery waterfall: height, flow month by month and when it roars.Coming soonVisit
islandsIslandyasEvery island from the sea up: size, sea temperature, ferries and 3D.Coming soonVisit
riversRiveryasEvery river from source to sea: the journey, the flow and the basin in numbers.You are here
canyonsCanyonyasEvery canyon cut to scale: depth to the floor, rim and floor temperatures, trails and viewpoints.Coming soonVisit