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River

Rio Negro

2,250 km from source to mouth · Brazil, Venezuela and Colombia.

BrazilVenezuelaColombiaBrazil, Venezuela and ColombiaFlows into Amazon River6th 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

2,250km

Average flow

30,000m³/s

Basin

720,114km²

Drop

191m

from 198 m to 7 m

Countries

3

The journey

From source to mouth

2,250 km of river and 24 stops on the way: 4 towns and cities on its banks, dams, bridges and the tributaries that feed it.

198 m7 m
Sourceat 198 m0 km
Aquio Rivertributary441 km
Cachoeira Ar820 km
Cachoeira Marapato923 km
Santa Isabel do Rio Negro25,865 people1,244 km
Rio Deminitributary1,552 km
Lagoa do Arroz1.4 km²1,794 km
Manaus2,303,732 people2,096 km
Amazon Riverat 7 m2,250 km
05001,0001,5002,0002,250 km
  1. 0 kmSourceat 198 m
  2. 441 kmAquio Rivertributary
  3. 573 kmCasiquiare canaltributary
  4. 820 kmCachoeira Ar
  5. 859 kmIçana Rivertributary
  6. 911 kmVaupés Rivertributary
  7. 923 kmCachoeira Marapato
  8. 929 kmCachoeira Quand
  9. 932 kmCachoeira Caranguejo
  10. 940 kmCachoeira São Miguel
  11. 940 kmCachoeira Curenaí
  12. 945 kmSão Gabriel da Cachoeira51,795 people
  13. 1,244 kmSanta Isabel do Rio Negro25,865 people
  14. 1,552 kmRio Deminitributary
  15. 1,552 kmAraçá Rivertributary
  16. 1,739 kmBranco Rivertributary
  17. 1,794 kmLagoa do Arroz1.4 km²
  18. 1,798 kmJauaperi Rivertributary
  19. 1,804 kmUnini Rivertributary
  20. 1,837 kmJaú Rivertributary
  21. 1,950 kmNovo Airão19,928 people
  22. 1,953 kmLago do Carão62 km²
  23. 2,090 kmRio Negro Bridge
  24. 2,096 kmManaus2,303,732 people
  25. 2,098 kmPort of Manaus
  26. 2,250 kmAmazon Riverat 7 m

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

Tributary of the Amazon river

At the mouth it carries 30,000 m³/s on average: 12 Olympic pools every second. It drops from 198 m to 7 m, 0.1 m per kilometre on average. Its basin covers 720,114 km², about the size of ZM. 17.7 million people live in it. Highest water: from May to July. No large dam holds it back: it is one of the world's free-flowing rivers.

Read more on Wikipedia

Where to start

  • ManausLargest city on its banks · 2,303,732 people
  • Eduardo Gomes International Airport (MAO)Nearest airport with scheduled flights, 10 km from the cityCar hire at MAO airport (Manaus)Discover Cars · Affiliate link
  • On the water32 ferry piers, marinas, boat rentals and boat ramps along the river (OpenStreetMap)
  • From May to August and NovemberThe best months to visit

Rio Negro, month by month

Highest water: from May to July

Best months to visit: from May to August and November.

100,200
27°202 mmJan
105,500
27°206 mmFeb
117,900
27°253 mmMar
135,400
27°292 mmApr
158,800
26°332 mmMay
171,600
26°292 mmJun
168,800
26°253 mmJul
150,700
27°204 mmAug
126,000
27°184 mmSep
107,300
27°177 mmOct
96,400
27°177 mmNov
96,700
27°200 mmDec
Water (estimated flow)Air (average) Rain (mm)Best months

From about 96,400 m³/s in the lowest month to 171,600 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

Rio Negro: the basin in numbers

2,931,792 km² of land send their water to this river. This is what lives on it.

Free-flowingDams upstream can hold only 0.0% of a year's flow: the river still keeps its natural rhythm.
  • 17.7millionpeople live in the basin
  • 6/km²people per km²
  • 509maverage altitude of the basin
  • 2,360mmof rain a year (basin average)
  • 24.4°Caverage air temperature
  • 44%protected areas
  • 0.3%covered by lakes
  • 0.8km³held in reservoirs

What covers the basin

  • 82% Forest
  • 1% Cropland
  • 5% 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

Rio Negro: what you find on the way

  • 7WaterfallsRaudal, Cachoeira Aru, Cachoeira Carapanã and 4 more
  • 3Boat rampsMuelle fluvial, CNA
  • 25Ferry piersSão Gabriel da Cachoeira, Rio Negro, Panacarica and 22 more
  • 4MarinasBalsa, Estaleiro Sales Nave, Estaleiro Sandro and 1 more
  • 7River beachesIsla Piedra, Isla Murcielago, Isla La Guama and 4 more

From OpenStreetMap, within 3.3 km of the river. Not mapped is not the same as not there.

Cross-checked with our atlases

Rio Negro 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.

  • 6waterfalls on the riverCascadyas
  • 2lakes on its wayLakeyas

Waterfalls (6)

On the river, by Cascadyas

  1. Cachoeira Arkm 700
  2. Cachoeira Marapatokm 788
  3. Cachoeira Quandkm 794
  4. Cachoeira Caranguejokm 796
  5. Cachoeira São Miguelkm 803
  6. Cachoeira Curenaíkm 803

Cascadyas is coming soonOpen Cascadyas ↗

Lakes and reservoirs (2)

Lakes it flows through, by Lakeyas

  1. Lagoa do Arrozkm 1,5321.4km²
  2. Lago do Carãokm 1,66762km²

Lakeyas is coming soonOpen Lakeyas ↗

From space

The source and the mouth, seen from orbit

Rio Negro: satellite view of the source
The source14 km across
Rio Negro: satellite view of the mouth
The mouth233 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

Rio Negro in pictures

Tributaries

Where it flows, and what flows into it

Tributaries (28)

Also: Içana River, Jauaperi River, Rio Demini, Jaú River, Aquio River, Araçá River, Unini River, Cuieiras River, Cauaburi River, Curiuaú River, Puduari River, Apuaú River, Ararirá River, Caurés River, Cuini River, Curicuriari River, Daraá River, Jufari River, Marauiá River, Marié River, Padauari River, Tea River, Uneiuxi River, Urubaxi River

Where these numbers come from

Name, length, placesWikidata (Q118771) · 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, Lakeyas — 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