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Largest-Area Drainage Basin High Points

Basins with over 750,000 square kilometers

Showing Matt Adamski's first ascent dates for climbed peaks (0 out of 27, or 0%)

RankDrainage BasinArea-SqKmPeak Elev-M CountryRange (Level 2)AscentsAscent Date
1.Amazon5,954,977Nevado Yerupaj√°6617PeruAndes4 
2.Congo3,710,814Volcan Karisimbi4519Rwanda/Congo DRCEast Africa Mountains9 
3.Mississippi3,237,325Mount Elbert4399United StatesRocky Mountains1423 
4.Nile3,120,127Mount Stanley5109Congo DRC/UgandaEast Africa Mountains34 
5.Ob3,023,973Gora Belukha4506Kazakhstan/RussiaMongolia Ranges4 
6.Parana2,644,925Nevado de Cachi6380ArgentinaAndes2 
7.Yenisey2,588,752Gora Ak-Oyuk3604RussiaMongolia Ranges0 
8.Lena2,469,126Pik BAM3072RussiaBaikal Area Ranges0 
9.Niger2,165,404Mont Oku3011CameroonWest Africa Mountains3 
10.Amur2,060,295Paektu-san2744North Korea/ChinaKorea-Amur Area4 
11.Mackenzie1,801,938Mount Columbia3741CanadaRocky Mountains26 
12.Yangtze1,745,204Gongga Shan7556ChinaTibet and Central China2 
13.Ganges1,645,637Mount Everest8848China/NepalHimalaya58 
14.Zambezi1,391,359Sapitwa Peak3002MalawiSouthern Africa20 
15.St. Lawrence1,342,160Mount Marcy1629United StatesNorth America Plains1887 
16.Nelson1,089,692Mount Forbes3617CanadaRocky Mountains4 
17.Murray1,067,522Mount Kosciuszko2228AustraliaGreat Dividing Range248 
18.Indus1,006,625K28614China/PakistanCentral Asia Ranges14 
19.Orinoco984,503Ritacuba Blanco5410ColombiaAndes17 
20.Orange983,780Thabana Ntlenyana3482LesothoSouthern Africa27 
21.Shatt-al-Arab907,730Zard Kuh4221IranZagros Mountains2 
22.Yukon861,461Denali6190United StatesAlaska-Yukon Ranges220 
23.Huang He835,345Amnye Maqen6282ChinaTibet and Central China0 
24.Jubba804,395Mount Kenya5199KenyaEast Africa Mountains32 
25.Mekong803,785Kawagebo6740ChinaTibet and Central China0 
26.Danube799,041Piz Bernina4049SwitzerlandAlps37 
27.Tocantins772,662Chapada dos Veadeiros-Pico 16911691BrazilBrazilian Highlands0 

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List Description

This list shows the 27 largest primary river basins in the world by area, all of which are over 750,000 square kilometers. Only basins of rivers that empty into the ocean are included--excluded are tributary basins of rivers that flow into other rivers, and internal drainage basins then end in a internal sea or dry depression. For example, the Missouri River Basin is not here, since the Missouri flows into the Mississippi; and the basin of the Caspian Sea or Volga River are not here, either, since they never flow into an ocean.

Of course, there are many unlisted river basins here with higher peaks than many of the peaks on this list. But those peaks are not in a large basin.


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