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Largest-Area Drainage Basin High Points

Basins with over 750,000 square kilometers

Showing Steven Hymas's first ascent dates for climbed peaks (2 out of 27, or 7.41%)

RankDrainage BasinArea-SqMiPeak Elev-Ft CountryRange (Level 2)Ascent Date
1.Mississippi1,251,272Mount Elbert14,433United StatesRocky Mountains1995-09-03
2.St. Lawrence502,413Mount Marcy5344United StatesNorth America Plains2000-07-21
 Ganges635,381Mount Everest29,029China/NepalHimalaya 
 Indus388,658K228,261China/PakistanCentral Asia Ranges 
 Yangtze673,824Gongga Shan24,790ChinaTibet and Central China 
 Mekong310,342Kawagebo22,113ChinaTibet and Central China 
 Amazon2,342,529Nevado Yerupaj√°21,709PeruAndes 
 Parana1,028,759Nevado de Cachi20,932ArgentinaAndes 
 Huang He322,527Amnye Maqen20,610ChinaTibet and Central China 
 Yukon329,016Denali20,310United StatesAlaska-Yukon Ranges 
 Orinoco378,244Ritacuba Blanco17,749ColombiaAndes 
 Jubba310,577Mount Kenya17,057KenyaEast Africa Mountains 
 Nile1,204,682Mount Stanley16,762Congo DRC/UgandaEast Africa Mountains 
 Congo1,432,747Volcan Karisimbi14,826Rwanda/Congo DRCEast Africa Mountains 
 Ob1,167,557Gora Belukha14,783Kazakhstan/RussiaMongolia Ranges 
 Shatt-al-Arab350,475Zard Kuh13,848IranZagros Mountains 
 Danube308,510Piz Bernina13,284SwitzerlandAlps 
 Mackenzie686,525Mount Columbia12,274CanadaRocky Mountains 
 Nelson414,887Mount Forbes11,867CanadaRocky Mountains 
 Yenisey999,518Gora Ak-Oyuk11,824RussiaMongolia Ranges 
 Orange379,838Thabana Ntlenyana11,424LesothoSouthern Africa 
 Lena953,330Pik BAM10,079RussiaBaikal Area Ranges 
 Niger836,063Mont Oku9879CameroonWest Africa Mountains 
 Zambezi537,204Sapitwa Peak9849MalawiSouthern Africa 
 Amur795,481Paektu-san9003North Korea/ChinaKorea-Amur Area 
 Murray412,171Mount Kosciuszko7310AustraliaGreat Dividing Range 
 Tocantins295,684Chapada dos Veadeiros-Pico 16915548BrazilBrazilian Highlands 

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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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