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Largest-Area Drainage Basin High Points

Basins with over 750,000 square kilometers

RankDrainage BasinArea-SqMiPeak Elev-Ft CountryRange (Level 2)Ascents
1.Ganges635,381Mount Everest29,029China/NepalHimalaya58
2.Indus388,658K228,261Pakistan/ChinaCentral Asia Ranges14
3.Yangtze673,824Gongga Shan24,790ChinaTibet and Central China2
4.Mekong310,342Kawagebo22,113ChinaTibet and Central China0
5.Amazon2,299,219Nevado Yerupaj√°21,709PeruAndes4
6.Parana1,021,207Nevado de Cachi20,932ArgentinaAndes2
7.Huang He322,527Amnye Maqen20,610ChinaTibet and Central China0
8.Yukon332,610Denali20,310United StatesAlaska-Yukon Ranges220
9.Orinoco380,117Ritacuba Blanco17,749ColombiaAndes17
10.Jubba310,577Mount Kenya17,057KenyaEast Africa Mountains32
11.Nile1,204,682Mount Stanley16,762Congo DRC/UgandaEast Africa Mountains34
12.Congo1,432,747Volcan Karisimbi14,826Congo DRC/RwandaEast Africa Mountains9
13.Ob1,167,557Gora Belukha14,783Russia/KazakhstanMongolia Ranges4
14.Mississippi1,249,933Mount Elbert14,433United StatesRocky Mountains1432
15.Shatt-al-Arab350,475Zard Kuh13,848IranZagros Mountains2
16.Danube308,510Piz Bernina13,284SwitzerlandAlps37
17.Mackenzie695,729Mount Columbia12,274CanadaRocky Mountains26
18.Nelson420,731Mount Forbes11,867CanadaRocky Mountains4
19.Yenisey999,518Gora Ak-Oyuk11,824RussiaMongolia Ranges0
20.Orange379,838Thabana Ntlenyana11,424LesothoSouthern Africa27
21.Lena953,330Pik BAM10,079RussiaBaikal Area Ranges0
22.Niger836,063Mont Oku9879CameroonWest Africa Mountains3
23.Zambezi537,204Sapitwa Peak9849MalawiSouthern Africa20
24.Amur795,481Paektu-san9003China/North KoreaKorea-Amur Area4
25.Murray412,171Mount Kosciuszko7310AustraliaGreat Dividing Range248
26.Tocantins298,325Chapada dos Veadeiros-Pico 16915548BrazilBrazilian Highlands0
27.St. Lawrence518,209Mount Marcy5344United StatesNorth America Plains1904

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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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