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The list of drainage basins by area identifies basins (also known as "catchments" or, in North American usage, "watersheds"), sorted by area, which drain to oceans, mediterranean seas, rivers, lakes and other water bodies. All basins larger than 400,000 km2 (150,000 sq mi) are included as well as selected smaller basins. It includes drainage basins which do not flow to the ocean (endorheic basins). It includes oceanic sea drainage basins which have hydrologically coherent areas (oceanic seas are set by IHO convention).
The oceans drain approximately 83% of the land in the world. The other 17% – an area larger than the basin of the Arctic Ocean – drains to internal endorheic basins. There are also substantial areas of the world that do not "drain" in the commonly understood sense. In polar deserts, much of the snowfall sublimates directly into the air and does not melt into flowing water, while in tropical deserts precipitation may evaporate before joining any substantial water course. These areas can still be included in topographically defined basins if the hypothetical flow of water (or ice) over the surface of the ground (or ice sheet) is considered. For example, the Antarctic ice sheet can be divided into basins,[1] and most of Libya is included in the Mediterranean Sea basin even though almost no water from the interior actually reaches the sea.
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Basin | Type | Continent | Drains to | Basin area | Notes | ||
---|---|---|---|---|---|---|---|
km2 | mi2 | ||||||
Atlantic Ocean | Ocean | Multiple | n/a | 69,800,000 | 26,900,000 | [Note 1] [2] | |
Arctic Ocean | Ocean | Multiple | n/a | 23,100,000 | 8,900,000 | [Note 1] | |
Pacific Ocean | Ocean | Multiple | n/a | 20,300,000 | 7,800,000 | [Note 1] [2] | |
Indian Ocean | Ocean | Multiple | n/a | 19,400,000 | 7,500,000 | [Note 1] | |
Southern Ocean | Ocean | Antarctica | n/a | 14,000,000 | 5,400,000 | [Note 1][Note 2] | |
Mediterranean-Black Sea system | Mediterranean sea | Multiple | Atlantic Ocean [Note 3] | 7,770,000 | 3,000,000 | [3] | |
Amazon River | Primary river | South America | Atlantic Ocean | 6,200,000 | 2,400,000 | [4] | |
Gulf of Mexico and Caribbean Sea | Mediterranean sea | Multiple | Atlantic Ocean [Note 3] | 6,200,000 | 2,400,000 | [Note 1] | |
Mediterranean Sea | Mediterranean sea | Multiple | Atlantic Ocean [Note 3] | 5,880,000 | 2,270,000 | 2,060,000 | [3] |
Hudson Bay drainage basin | Mediterranean sea | North America | Atlantic Ocean | 3,861,400 | 1,490,900 | ||
Congo River | Primary river | Africa | Atlantic Ocean | 3,730,881 | 1,440,501 | [4] | |
Caspian Sea | Lake | Asia/Europe | n/a (endorheic basin) | 3,626,000 | 1,400,000 | ||
Nile River | Primary river | Africa | Mediterranean Sea | 3,254,853 | 1,256,706 | [4] | |
Mississippi-Missouri River | Primary river | North America | Gulf of Mexico | 3,202,185 | 1,236,371 | [4] | |
Bay of Bengal | Bay | Asia | Indian Ocean | 3,200,000 | 1,200,000 | ||
Río de la Plata | Estuary | South America | Atlantic Ocean | 3,170,000 | 1,220,000 | [5] | |
Ob River | Primary river | Asia | Arctic Ocean | 2,982,493 | 1,151,547 | [4] | |
Paraná River | Tributary river | South America | Río de la Plata | 2,582,704 | 997,188 | [4] | |
Yenisei River | Primary river | Asia | Arctic Ocean | 2,554,388 | 986,255 | [4] | |
Chad Basin | Endorheic basin | Africa | n/a (endorheic basin) | 2,497,738 | 964,382 | [4] | |
Lena River | Primary river | Asia | Arctic Ocean | 2,306,743 | 890,638 | [4] | |
Black Sea | Mediterranean sea | Asia/Europe | Mediterranean Sea [Note 3] | 2,430,000 | 940,000 | [3] | |
Niger River | Primary river | Africa | Atlantic Ocean | 2,261,741 | 873,263 | [4] | |
Ganges–Brahmaputra | Primary river | Asia | Bay of Bengal | 1,999,000 | 772,000 | [6] | |
Amur River | Primary river | Asia | Pacific Ocean | 1,929,955 | 745,160 | [4] | |
Mackenzie River | Primary river | North America | Beaufort Sea | 1,805,200 | 697,000 | [7] | |
Yangtze River (Chang Jiang) | Primary river | Asia | Pacific Ocean | 1,722,193 | 664,942 | [4] | |
Baltic Sea | Mediterranean sea | Europe | Atlantic Ocean [Note 3] | 1,700,000 | 660,000 | [Note 1] | |
Irtysh River | Tributary river | Asia | Ob River | 1,673,470 | 646,130 | ||
Aral Sea | Lake | Asia | n/a (endorheic basin) | 1,618,750 | 625,000 | ||
Madeira River | Tributary river | South America | Amazon River | 1,485,218 | 573,446 | ||
Volga River | Primary river | Europe | Caspian Sea | 1,410,951 | 544,771 | [4] | |
Persian Gulf | Mediterranean sea | Asia | Indian Ocean [Note 3] | 1,400,000 | 540,000 | [Note 1] | |
St. Lawrence Estuary | Estuary | North America | Gulf of Saint Lawrence | 1,344,200 | 519,000 | [4][7] | |
Zambezi River | Primary river | Africa | Indian Ocean | 1,332,574 | 514,510 | [8] | |
Missouri River | Tributary river | North America | Mississippi River | 1,331,810 | 514,210 | ||
Lake Eyre Basin | Lake | Australia | n/a (endorheic basin) | 1,210,000 | 470,000 | [9] | |
Ganges River | Primary river | Asia | Bay of Bengal | 1,200,000 | 463,322 | [4] | |
Paraguay River | Tributary river | South America | Paraná River | 1,095,000 | 423,000 | ||
Indus River | Primary river | Asia | Arabian Sea | 1,081,718 | 417,654 | [4] | |
Nelson River | Primary river | North America | Hudson Bay | 1,072,300 | 414,000 | [10] | |
Murray-Darling basin | Primary river | Australia | Southern Ocean | 1,050,116 | 405,452 | [4] | |
St. Lawrence River | Primary river | North America | Atlantic Ocean | 1,049,636 | 405,267 | [4] | |
Angara River | Tributary river | Asia | Yenisei River | 1,039,000 | 401,000 | [11] | |
Lake Chad (New Conventional Basin) | Lake | Africa | n/a (endorheic basin) | 1,035,000 | 400,000 | [12] | |
Lake Winnipeg | Lake | North America | Nelson River | 982,900 | 379,500 | [10] | |
Great Slave Lake | Lake | North America | Mackenzie River | 976,200 | 376,900 | ||
Orinoco River | Primary river | South America | Atlantic Ocean | 953,675 | 368,216 | [4] | |
Orange River | Primary river | Africa | Atlantic Ocean | 941,351 | 363,458 | [4] | |
Kasai River | Tributary river | Africa | Congo River | 925,172 | 357,211 | ||
Shatt al-Arab (Tigris, Euphrates & Karun) | Primary river | Asia | Persian Gulf | 916,200 | 353,700 | [13] | |
Tarim Basin | Endorheic basin | Asia | n/a (endorheic basin) | 906,500 | 350,000 | [14] | |
North Sea | Mediterranean sea | Europe | Atlantic Ocean | 850,000 | 330,000 | ||
Yukon River | Primary river | North America | Bering Sea | 839,200 | 324,000 | [7] | |
Yellow River | Primary river | Asia | Pacific Ocean | 832,238 | 321,329 | [15][Note 4] | |
Mekong River | Primary river | Asia | Pacific Ocean | 805,604 | 311,045 | [4] | |
Jubba-Shebelle basin | Primary river | Africa | Indian Ocean | 805,100 | 310,900 | [16] | |
Great Lakes | Lake | North America | St. Lawrence River | 800,114 | 308,926 | ||
Danube River | Primary river | Europe | Black Sea | 795,656 | 307,204 | [4] | |
Syr Darya | Primary river | Asia | Aral Sea | 782,617 | 302,170 | [4] | |
Tocantins River | Primary river | South America | Atlantic Ocean | 764,213 | 295,064 | [4] | |
Ubangi River | Tributary river | Africa | Congo River | 754,830 | 291,440 | ||
Aldan River | Tributary river | Asia | Lena River | 729,000 | 281,000 | ||
Kalahari Basin/Okavango Basin | Endorheic basin | Africa | n/a (endorheic basin) | 721,258 | 278,479 | [4][17] | |
Rio Negro | Tributary river | South America | Amazon River | 720,114 | 278,038 | ||
Kolyma River | Primary river | Asia | Arctic Ocean | 679,934 | 262,524 | [4] | |
Columbia River | Primary river | North America | Pacific Ocean | 671,300 | 259,200 | [7] | |
Brahmaputra River | Tributary river | Asia | Ganges River | 651,335 | 251,482 | [4] | |
Colorado River | Primary river | North America | Gulf of California | 637,137 | 246,000 | ||
Mamoré River | Tributary river | South America | Madeira River | 630,835 | 243,567 | [18] | |
Red Sea | Mediterranean sea | Africa/Asia | Indian Ocean [Note 3] | 620,000 | 240,000 | [Note 1] | |
São Francisco River | Primary river | South America | Atlantic Ocean | 617,812 | 238,539 | ||
Slave River | Tributary river | North America | Great Slave Lake | 616,400 | 238,000 | [7] | |
Rio Grande | Primary river | North America | Gulf of Mexico | 607,934 | 234,725 | [4] | |
Lake Baikal | Lake | Asia | Angara River | 571,000 | 220,000 | ||
Songhua River | Tributary river | Asia | Amur River | 554,575 | 214,123 | [19] | |
Chari River | Primary river | Africa | Lake Chad | 548,747 | 211,872 | ||
Amu Darya | Primary river | Asia | Aral Sea | 534,739 | 206,464 | [4] | |
Euphrates | Tributary river | Asia | Shatt al-Arab | 532,300 | 205,500 | [20] | |
Xingu River | Tributary river | South America | Amazon River | 520,292 | 200,886 | ||
Bahr el Ghazal River | Tributary river | Africa | Nile | 520,000 | 200,000 | ||
Lake Balkhash | Lake | Asia | n/a (endorheic basin) | 512,015 | 197,690 | [4] | |
Dnieper River | Primary river | Europe | Black Sea | 511,650 | 197,550 | [21] [Note 5] | |
Kama River | Tributary river | Europe | Volga River | 507,000 | 196,000 | ||
Jubba River | Primary river | Africa | Indian Ocean | 497,626 | 192,134 | [4] [Note 6] | |
Great Basin | Endorheic basin | North America | n/a (endorheic basin) | 492,000 | 190,000 | [22][Note 7] | |
Ohio River | Tributary river | North America | Mississippi River | 490,603 | 189,423 | ||
Lower Tunguska River | Tributary river | Asia | Yenisei river | 473,000 | 183,000 | ||
Vilyuy River | Tributary river | Asia | Lena River | 454,000 | 175,000 | ||
Pearl River | Primary river | Asia | Pacific Ocean | 453,700 | 175,200 | ||
Tapajós River | Tributary river | South America | Amazon River | 453,510 | 175,100 | [23] | |
Selenga River | Tributary river | Asia | Lake Baikal | 445,245 | 171,910 | ||
Don River | Primary river | Europe | Black Sea | 443,729 | 171,325 | [24] [Note 8] | |
Arkansas River | Tributary river | North America | Mississippi River | 435,122 | 168,002 | ||
Tobol River | Tributary river | Asia | Irtysh River | 426,000 | 164,000 | ||
Limpopo River | Primary river | Africa | Indian Ocean | 421,123 | 162,596 | [4] | |
Senegal River | Primary river | Africa | Atlantic Ocean | 419,575 | 161,999 | [4] | |
Irrawaddy River | Primary river | Asia | Indian Ocean | 413,710 | 159,730 | [4] | |
Volta River | Primary river | Africa | Atlantic Ocean | 407,093 | 157,179 | [4] | |
Colorado River (Argentina) | Primary river | South America | Atlantic Ocean | 373,863 | 144,349 | [26] [Note 9] | |
Sistan Basin | Endorheic basin | Asia | n/a (endorheic basin) | 370,000 | 140,000 | [28] | |
Molopo River | Tributary river | Africa | Orange River | 367,201 | 141,777 | ||
Yamuna | Tributary river | Asia | Ganges | 366,223 | 141,399 | ||
Uruguay River | Primary river | South America | Río de la Plata | 365,000 | 141,000 | [Note 10] | |
Khatanga River | Primary river | Asia | Arctic Ocean | 364,000 | 141,000 | ||
Marañón River | Tributary river | South America | Amazon River | 363,286 | 140,266 | [29] | |
Guaporé River | Tributary river | South America | Mamoré River | 360,534 | 139,203 | [18] | |
Indigirka River | Primary river | Asia | Arctic Ocean | 360,400 | 139,200 | ||
Araguaia River | Tributary river | South America | Tocantins River | 358,125 | 138,273 | ||
Northern Dvina | Primary river | Europe | White Sea | 357,075 | 137,867 | [4] | |
Xi River | Tributary river | Asia | Pearl River | 353,100 | 136,300 | ||
Purus River | Tributary river | South America | Amazon River | 352,085 | 135,941 | [30] | |
Ucayali River | Tributary river | South America | Amazon River | 337,519 | 130,317 | ||
Shebelle River | Tributary river | Africa | Jubba River | 336,627 | 129,972 | ||
Saskatchewan River | Tributary river | North America | Lake Winnipeg | 335,900 | 129,700 | [7] | |
Benue River | Tributary river | Africa | Niger River | 335,035 | 129,358 | ||
Parnaíba River | Primary river | South America | Atlantic Ocean | 331,643 | 128,048 | [31] [Note 11] | |
Blue Nile | Tributary river | Africa | Nile | 325,000 | 125,000 | ||
Pechora River | Primary river | Europe | Arctic Ocean | 322,000 | 124,000 | ||
Hai River | Primary river | Asia | Pacific Ocean | 318,200 | 122,900 | ||
Godavari River | Primary river | Asia | Indian Ocean | 314,829 | 121,556 | [33] | |
Peace River | Tributary river | North America | Slave River | 306,000 | 118,000 | ||
Panjnad River (Chenab & Sutlej) | Tributary river | Asia | Indus River | 300,000 | 120,000 | ||
Baker Lake/Chesterfield Inlet | Lake / estuary | North America | Hudson Bay | 299,000 | 115,000 | [34] | |
Red River of the North | Tributary river | North America | Lake Winnipeg | 287,500 | 111,000 | [7] | |
Churchill River (Hudson Bay) | Primary river | North America | Hudson Bay | 281,300 | 108,600 | [7] | |
Neva River | Primary river | Europe | Baltic Sea | 281,000 | 108,000 | ||
Taz Estuary | Estuary | Asia | Arctic Ocean | 262,000 | 101,000 | ||
Snake River | Tributary river | North America | Columbia River | 278,450 | 107,510 | ||
Liard River | Tributary river | North America | Mackenzie River | 277,100 | 107,000 | [7] | |
Lake Athabasca-Rivière des Rochers | Lake | North America | Slave River | 274,540 | 106,000 | ||
Salween River | Primary river | Asia | Indian Ocean | 271,888 | 104,977 | [4][Note 12] | |
Lukuga River | Tributary river | Africa | Congo River | 270,900 | 104,600 | ||
Luvua River | Tributary river | Africa | Congo River | 265,300 | 102,400 | ||
Kwango River | Tributary river | Africa | Kasai River | 263,400 | 101,700 | ||
Desaguadero River | Tributary river | South America | Colorado River or Endorheic | 260,000 | 100,000 | ||
Mapimí-Salado basin | Endorheic basin | North America | n/a (endorheic basin) | 260,000 | 100,000 | ||
Krishna River | Primary river | Asia | Indian Ocean | 258,948 | 99,980 | ||
Magdalena River | Primary river | South America | Atlantic Ocean | 257,438 | 99,397 | ||
Dongting Lake | Lake | Asia | Yangtze River | 257,000 | 99,000 | [36] | |
Japurá/Caquetá River | Tributary river | South America | Amazon River | 255,700 | 98,700 | ||
Nen River | Tributary river | Asia | Songhua River | 252,100 | 97,300 | [37] | |
Oka River | Tributary river | Europe | Volga | 245,000 | 95,000 | ||
Rhine–Meuse–Scheldt delta | Primary river | Europe | North Sea | 240,000 | 93,000 | ||
Stony Tunguska River | Tributary river | Asia | Yenisei river | 240,000 | 93,000 | ||
Beni River | Tributary river | South America | Madeira River | 239,825 | 92,597 | [18] | |
Lake Victoria | Lake | Africa | Nile River | 238,900 | 92,200 | ||
Yana River | Primary river | Asia | Arctic Ocean | 238,000 | 92,000 | ||
Lake Tanganyika | Lake | Africa | Lukuga River | 236,300 | 91,200 | ||
Sangha River | Tributary river | Africa | Congo River | 233,740 | 90,250 | [38] | |
Fraser River | Primary river | North America | Pacific Ocean | 233,100 | 90,000 | [7] | |
Zeya River | Tributary river | Asia | Amur River | 233,000 | 90,000 | ||
Liao River | Primary river | Asia | Pacific Ocean | 232,200 | 89,700 | ||
Ural River | Primary river | Asia/Europe | Caspian Sea | 231,000 | 89,000 | ||
Juruá River | Tributary river | South America | Amazon River | 225,828 | 87,193 | ||
Sobat River | Tributary river | Africa | Nile River | 225,000 | 87,000 | ||
Vitim River | Tributary river | Asia | Lena River | 225,000 | 87,000 | ||
Ogooué River | Primary river | Africa | Atlantic Ocean | 223,856 | 86,431 | ||
Tigris River | Tributary river | Asia | Shatt al-Arab | 221,400 | 85,500 | [39] | |
Platte River | Tributary river | North America | Missouri River | 219,916 | 84,910 | ||
Olenyok River | Primary river | Asia | Arctic Ocean | 219,000 | 85,000 | ||
Olyokma River | Tributary river | Asia | Lena River | 210,000 | 81,000 | ||
Shilka River | Tributary river | Asia | Amur River | 206,000 | 80,000 | ||
Rufiji River | Primary river | Africa | Indian Ocean | 204,450 | 78,940 | [40] | |
Kura River | Primary river | Asia | Caspian Sea | 198,300 | 76,600 | ||
Vaal River | Tributary river | Africa | Orange River | 196,438 | 75,845 | ||
Vistula | Primary river | Europe | Baltic Sea | 194,424 | 75,068 | ||
Ussuri River | Tributary river | Asia | Amur River | 193,000 | 75,000 | ||
Juruena River | Tributary river | South America | Tapajos River | 191,030 | 73,760 | [23] | |
Anadyr River | Primary river | Asia | Bering Sea | 191,000 | 74,000 | ||
Branco River | Tributary river | South America | Rio Negro | 189,925 | 73,330 | ||
Ishim River | Tributary river | Asia | Irtysh River | 189,000 | 73,000 | ||
Rhine | Primary river | Europe | North Sea | 185,300 | 71,500 | ||
Komadugu-Yobe River | Primary river | Africa | Lake Chad | 183,009 | 70,660 | [41] | |
Assiniboine River | Tributary river | North America | Red River | 182,000 | 70,000 | [7] | |
Pyasina River | Primary river | Asia | Pyasina Gulf | 182,000 | 70,000 | ||
Yellowstone River | Tributary river | North America | Missouri River | 181,000 | 70,000 | ||
Uyandina River | Tributary river | Asia | Indigirka River | 176,000 | 68,000 | ||
Kotuy River | Tributary river | Asia | Khatanga River | 176,000 | 68,000 | ||
Chenab River | Tributary river | Asia | Panjnad River | 176,000 | 68,000 | [42] | |
Han River | Tributary river | Asia | Yangtze River | 174,300 | 67,300 | ||
Huai River | Tributary river | Asia | Yangtze River | 174,000 | 67,000 | ||
Tshuapa/Ruki River | Tributary river | Africa | Congo River | 173,800 | 67,100 | ||
Maya River | Tributary river | Asia | Aldan River | 171,000 | 66,000 | ||
Salado River (Buenos Aires) | Primary river | South America | Atlantic Ocean | 170,000 | 66,000 | ||
Red River of the South | Tributary river | North America | Mississippi River | 169,890 | 65,590 | ||
Red River | Primary river | Asia | Gulf of Tonkin | 169,000 | 65,000 | [43] | |
Cuvelai River-Etosha Basin | Endorheic basin | Africa | n/a (endorheic basin) | 166,649 | 64,344 | [44] | |
Chesapeake Bay | Estuary | North America | Atlantic Ocean | 166,534 | 64,299 | ||
Helmand River | Primary river | Asia | Sistan Basin | 166,000 | 64,000 | [28] | |
Argun / Hailar River | Tributary river | Asia | Amur River | 164,000 | 63,000 | ||
Chao Phraya River | Primary river | Asia | Gulf of Thailand | 160,400 | 61,900 | ||
Hulun Lake | Lake | Asia | Amur River / endorheic | 160,335 | 61,906 | [Note 13] | |
Jialing River | Tributary river | Asia | Yangtze River | 160,000 | 62,000 | ||
Luangwa River | Tributary river | Africa | Zambezi River | 159,615 | 61,628 | [8] | |
Tisza River | Tributary river | Europe | Danube | 157,186 | 60,690 | ||
Torgay/Turgai River | Primary river | Asia | n/a (endorheic basin) | 157,000 | 61,000 | ||
Mbomou River | Tributary river | Africa | Ubangi River | 156,950 | 60,600 | ||
Great Bear River | Tributary river | North America | Mackenzie River | 156,500 | 60,400 | ||
Kafue River | Tributary river | Africa | Zambezi River | 155,805 | 60,157 | [8] | |
Kansas River | Tributary river | North America | Missouri River | 155,695 | 60,114 | ||
Ruvuma River | Primary river | Africa | Indian Ocean | 155,500 | 60,000 | ||
Essequibo River | Primary river | South America | Atlantic Ocean | 154,186 | 59,532 | ||
Sacramento–San Joaquin River Delta | Primary river | North America | San Francisco Bay | 153,000 | 59,000 | ||
Ruo Shui | Primary river | Asia | Endorheic basin | 152,606 | 58,922 | [45] | |
Sankuru River | Tributary river | Africa | Kasai River | 151,112 | 58,345 | [46] | |
Atbarah River | Tributary river | Africa | Nile | 150,000 | 58,000 | [Note 14] | |
Taz River | Primary river | Asia | Taz Estuary | 150,000 | 58,000 | ||
Tietê River | Tributary river | South America | Paraná River | 150,000 | 58,000 | ||
Cuanza River | Primary river | Africa | Atlantic Ocean | 149,688 | 57,795 | [4] | |
Shire River (Lake Malawi) | Tributary river | Africa | Zambezi River | 149,159 | 57,591 | [8] | |
Elbe | Primary river | Europe | North Sea | 148,268 | 57,247 | ||
Putumayo River | Tributary river | South America | Amazon River | 148,000 | 57,000 | ||
Bani River | Tributary river | Africa | Niger River | 146,570 | 56,590 | [47] | |
Ottawa River | Tributary river | North America | St. Lawrence River | 146,300 | 56,500 | [7] | |
South Saskatchewan River | Tributary river | North America | Saskatchewan River | 146,100 | 56,400 | [7] | |
Lake Titicaca-Desaguadero River-Lake Poopó System | Endorheic basin | South America | n/a (endorheic basin) | 144,590 | 55,830 | [48] | |
Chambal River | Tributary river | Asia | Yamuna River | 143,219 | 55,297 | ||
Rio Grande (Paraná River) | Tributary river | South America | Paraná River | 143,000 | 55,000 | ||
Fitzroy River (Queensland) | Primary river | Australia | Pacific Ocean | 142,665 | 55,083 | ||
Thelon River | Primary river | North America | Baker Lake | 142,400 | 55,000 | [7] | |
Belaya River | Tributary river | Europe | Kama River | 142,000 | 55,000 | ||
Iriri River | Tributary river | South America | Xingu River | 141,745 | 54,728 | [49] | |
Teles Pires River | Tributary river | South America | Tapajos River | 141,620 | 54,680 | [23] | |
Mahanadi River | Primary river | Asia | Indian Ocean | 141,600 | 54,700 | ||
Ili River | Primary river | Asia | Lake Balkhash | 140,000 | 54,000 | ||
Sanaga River | Primary river | Africa | Atlantic Ocean | 140,000 | 54,000 | [50] | |
Min River (Sichuan) | Tributary river | Asia | Yangtze River | 140,000 | 54,000 | ||
Guaviare River | Tributary river | South America | Orinoco River | 138,447 | 53,455 | [51] | |
Santiago-Lerma basin | Primary river | North America | Pacific Ocean | 136,628 | 52,752 | ||
Apure River | Tributary river | South America | Orinoco River | 136,152 | 52,569 | [52] | |
Winnipeg River | Tributary river | North America | Lake Winnipeg | 135,800 | 52,400 | [7] | |
Albany River | Primary river | North America | Hudson Bay | 135,200 | 52,200 | [7] | |
Wei River | Tributary river | Asia | Yellow River | 135,000 | 52,000 | ||
Grijalva-Usumacinta basin | Primary river | North America | Gulf of Mexico | 134,400 | 51,900 | ||
Chulym River | Tributary river | Asia | Ob River | 134,000 | 52,000 | ||
Lukenie River | Tributary river | Africa | Congo River | 133,432 | 51,518 | [53] | |
Koksoak River | Primary river | North America | Ungava Bay | 133,400 | 51,500 | [7] | |
Orkhon River | Tributary river | Asia | Selenga River | 132,835 | 51,288 | ||
Uele River | Tributary river | Africa | Ubangi River | 131,856 | 50,910 | [54] | |
Tambo-Ene-Apurímac River | Tributary river | South America | Ucayali River | 131,460 | 50,760 | [55] | |
Lake Turkana | Lake | Africa | n/a (endorheic basin) | 130,860 | 50,530 | ||
Aripuanã River | Tributary river | South America | Madeira River | 130,340 | 50,320 | [18] | |
Malagarasi River | Tributary river | Africa | Lake Tanganyika | 130,000 | 50,000 | ||
Mar Chiquita | Endorheic basin | South America | n/a (endorheic basin) | 129,715 | 50,083 | [56] | |
Burdekin River | Primary river | Australia | Pacific Ocean | 129,700 | 50,100 | ||
Vyatka River | Tributary river | Europe | Kama River | 129,000 | 50,000 | ||
Yalong River | Tributary river | Asia | Yangtze River | 128,444 | 49,593 | ||
Taseyeva River | Tributary river | Asia | Angara River | 128,000 | 49,000 | ||
Ghaghara / Karnali River | Tributary river | Asia | Ganges River | 127,950 | 49,400 | ||
Trombetas River | Tributary river | South America | Amazon River | 127,643 | 49,283 | [57] | |
Tana River (Kenya) | Primary river | Africa | Indian Ocean | 126,026 | 48,659 | ||
Madre de Dios River | Tributary river | South America | Beni River | 125,287 | 48,374 | [18] | |
Green River | Tributary river | North America | Colorado River | 124,578 | 48,100 | ||
Kuskokwim River | Primary river | North America | Bering Sea | 124,319 | 48,000 | ||
Salado River (Argentina) | Tributary river | South America | Paraná River | 124,199 | 47,954 | ||
Taymyr River | Primary river | Asia | Kara Sea | 124,000 | 48,000 | ||
Canadian River | Tributary river | North America | Arkansas River | 123,221 | 47,576 | ||
Aruwimi River | Tributary river | Africa | Congo River | 122,853 | 47,434 | [58] | |
North Saskatchewan River | Tributary river | North America | Saskatchewan River | 122,800 | 47,400 | [7] | |
Prypiat River | Tributary river | Europe | Dnieper | 121,840 | 47,040 | ||
Vychegda River | Tributary river | Europe | Northern Dvina | 121,000 | 47,000 | ||
Mun River | Tributary river | Asia | Mekong River | 119,180 | 46,020 | ||
Oder | Primary river | Europe | Baltic Sea | 118,861 | 45,892 | ||
Porcupine River | Tributary river | North America | Yukon River | 117,900 | 45,500 | [7] | |
Loire | Primary river | Europe | Atlantic Ocean | 117,000 | 45,000 | ||
Lomami River | Tributary river | Africa | Congo River | 116,209 | 44,869 | [59] | |
Brazos River | Primary river | North America | Gulf of Mexico | 116,000 | 45,000 | ||
Awash Basin | Endorheic basin | Africa | n/a (endorheic basin) | 116,000 | 45,000 | ||
Mobile River | Primary river | North America | Gulf of Mexico | 115,000 | 44,000 | ||
Pecos River | Tributary river | North America | Rio Grande | 115,000 | 44,000 | ||
Pilcomayo River | Tributary river | South America | Paraguay River | 114,402 | 44,171 | [60] | |
Sutlej River | Tributary river | Asia | Indus River | 114,343 | 44,148 | [61] | |
Panj River | Tributary river | Asia | Amu Darya River | 114,000 | 44,000 | ||
Tanana River | Tributary river | North America | Yukon River | 114,000 | 44,000 | ||
Kwando/Chobe River | Tributary river | Africa | Zambezi River | 113,393 | 43,781 | [8] | |
Omolon River | Tributary river | Asia | Kolyma River | 113,000 | 44,000 | ||
Uchur River | Tributary river | Asia | Aldan River | 113,000 | 44,000 | ||
Balsas River | Primary river | North America | Pacific Ocean | 112,320 | 43,370 | ||
Pur River | Primary river | Asia | Taz Estuary | 112,000 | 43,000 | ||
Awash River | Primary river | Africa | Lake Abbe (endorheic) | 110,000 | 42,000 | ||
Pranhita River | Tributary river | Asia | Godavari River | 109,078 | 42,115 | ||
Flinders River | Primary river | Australia | Gulf of Carpentaria | 109,000 | 42,000 | ||
Moose River (Ontario) | Primary river | North America | Hudson Bay | 108,500 | 41,900 | [7] | |
Hayes River | Primary river | North America | Hudson Bay | 108,000 | 42,000 | [7] | |
Anyuy River (Sakha) | Tributary river | Asia | Kolyma River | 107,000 | 41,000 | ||
Bermejo River | Tributary river | South America | Paraguay River | 106,924 | 41,284 | [60] | |
Cunene River | Primary river | Africa | Atlantic Ocean | 106,560 | 41,140 | ||
Back River | Primary river | North America | Arctic Ocean | 106,500 | 41,100 | [7] | |
Save River | Primary river | Africa | Indian Ocean | 106,420 | 41,090 | ||
Tennessee River | Tributary river | North America | Ohio River | 105,868 | 40,876 | ||
Aras River | Tributary river | Asia | Kura River | 104,785 | 40,458 | ||
Bahr Aouk River | Tributary river | Africa | Chari River | 103,577 | 39,991 | [62] | |
Wabash River | Tributary river | North America | Ohio River | 103,500 | 40,000 | ||
Colorado River (Texas) | Primary river | North America | Gulf of Mexico | 103,300 | 39,900 | ||
Severn River (northern Ontario) | Primary river | North America | Hudson Bay | 102,800 | 39,700 | [7] | |
Chindwin River | Tributary river | Asia | Irrawaddy River | 102,783 | 39,685 | [63] | |
Napo River | Tributary river | South America | Amazon River | 102,190 | 39,460 | [64] | |
Río Negro (Argentina) | Primary river | South America | Atlantic Ocean | 102,000 | 39,000 | ||
Logone River | Tributary river | Africa | Chari River | 101,481 | 39,182 | [65] | |
Anabar River | Primary river | Asia | Arctic Ocean | 100,000 | 39,000 | ||
Barito River (Borneo) | Primary river | Asia | Java Sea | 100,000 | 39,000 | ||
Kheta River | Tributary river | Asia | Khatanga River | 100,000 | 39,000 | ||
Markha River | Tributary river | Asia | Vilyuy River | 99,900 | 38,600 | ||
Donets | Tributary river | Europe | Don River | 98,900 | 38,200 | ||
Narmada River | Primary river | Asia | Arabian Sea | 98,800 | 38,100 | ||
Kapuas River (Borneo) | Primary river | Asia | South China Sea | 98,749 | 38,127 | ||
Rhône | Primary river | Europe | Mediterranean Sea | 98,556 | 38,053 | ||
Bandama River | Primary river | Africa | Atlantic Ocean | 98,500 | 38,000 | ||
Northern Sosva River | Tributary river | Asia | Ob River | 98,300 | 38,000 | ||
Neman River | Primary river | Europe | Baltic Sea | 97,864 | 37,786 | ||
La Grande River | Primary river | North America | James Bay | 97,600 | 37,700 | ||
Douro / Duero | Primary river | Europe | Atlantic Ocean | 97,502 | 37,646 | ||
Xiang River | Tributary river | Asia | Lake Dongting | 96,400 | 37,200 | ||
Onon River | Tributary river | Asia | Shilka River | 96,200 | 37,100 | ||
Sava River | Tributary river | Europe | Danube | 95,419 | 36,841 | ||
Athabasca River | Tributary river | North America | Lake Athabasca | 95,300 | 36,800 | ||
Brahmani River | Primary river | Asia | Indian Ocean | 39,033 | 15,071 | ||
Penobscot River | Primary river | North America | Atlantic Ocean | 22,200 | 8,600 | [66] |
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