[{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","@id":"https:\/\/wiki.edu.vn\/en\/wiki24\/list-of-largest-unfragmented-rivers\/#BlogPosting","mainEntityOfPage":"https:\/\/wiki.edu.vn\/en\/wiki24\/list-of-largest-unfragmented-rivers\/","headline":"List of largest unfragmented rivers","name":"List of largest unfragmented rivers","description":"before-content-x4 Rank River Basin countries Length of longest channel Drainage area Average discharge (m\u00b3\/s) Average annual discharge Mouth Notes 1","datePublished":"2015-09-03","dateModified":"2015-09-03","author":{"@type":"Person","@id":"https:\/\/wiki.edu.vn\/en\/wiki24\/author\/lordneo\/#Person","name":"lordneo","url":"https:\/\/wiki.edu.vn\/en\/wiki24\/author\/lordneo\/","image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/c9645c498c9701c88b89b8537773dd7c?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/c9645c498c9701c88b89b8537773dd7c?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"Enzyklop\u00e4die","logo":{"@type":"ImageObject","@id":"https:\/\/wiki.edu.vn\/wiki4\/wp-content\/uploads\/2023\/08\/download.jpg","url":"https:\/\/wiki.edu.vn\/wiki4\/wp-content\/uploads\/2023\/08\/download.jpg","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/wiki.edu.vn\/wiki4\/wp-content\/uploads\/2023\/08\/download.jpg","url":"https:\/\/wiki.edu.vn\/wiki4\/wp-content\/uploads\/2023\/08\/download.jpg","width":100,"height":100},"url":"https:\/\/wiki.edu.vn\/en\/wiki24\/list-of-largest-unfragmented-rivers\/","wordCount":1792,"articleBody":"     (adsbygoogle = window.adsbygoogle || []).push({});before-content-x4RankRiverBasin countriesLength of longest channelDrainage areaAverage discharge (m\u00b3\/s)Average annual dischargeMouthNotes1Fly RiverPapua New GuineaIndonesia1,050 kilometres (650\u00a0mi)76,000 square kilometres (29,000\u00a0sq\u00a0mi)6,000 cubic metres per second (210,000\u00a0cu\u00a0ft\/s)189 cubic kilometres (45\u00a0cu\u00a0mi)Gulf of PapuaLargest river with no dam in its catchment2Mamberamo RiverIndonesia4,580 cubic metres per second (162,000\u00a0cu\u00a0ft\/s)144.5 cubic kilometres (34.7\u00a0cu\u00a0mi)Pacific OceanLargest river in all of Indonesia3Pechora RiverRussia1,809 kilometres (1,124\u00a0mi)322,000 square kilometres (124,000\u00a0sq\u00a0mi)4,100 cubic metres per second (140,000\u00a0cu\u00a0ft\/s)129 cubic kilometres (31\u00a0cu\u00a0mi)Arctic OceanOnce the subject of a possible transfer of water into the Volga.4Sepik RiverPapua New GuineaIndonesia1,126 kilometres (700\u00a0mi)80,321 square kilometres (31,012\u00a0sq\u00a0mi)3,804 cubic metres per second (134,300\u00a0cu\u00a0ft\/s)120 cubic kilometres (29\u00a0cu\u00a0mi)Pacific OceanOften regarded as largest completely pristine river system in the world5Kaladan RiverBurmaIndia350 kilometres (220\u00a0mi)30,500 square kilometres (11,800\u00a0sq\u00a0mi)[2]3,476 cubic metres per second (122,800\u00a0cu\u00a0ft\/s)110 cubic kilometres (26\u00a0cu\u00a0mi)Bay of BengalDischarge estimated in absence of streamgauges.Dredging project by Indian and Myanmar governments.6Kikori RiverPapua New Guinea320 kilometres (200\u00a0mi)23,300 square kilometres (9,000\u00a0sq\u00a0mi)3,274 cubic metres per second (115,600\u00a0cu\u00a0ft\/s)103 cubic kilometres (25\u00a0cu\u00a0mi)Gulf of Papua7Khatanga RiverRussia (Krasnoyarsk Krai)1,150 kilometres (710\u00a0mi)364,000 square kilometres (141,000\u00a0sq\u00a0mi)3,200 cubic metres per second (110,000\u00a0cu\u00a0ft\/s)101 cubic kilometres (24\u00a0cu\u00a0mi)Arctic OceanMost northerly large river system in the world, with northernmost tree line in basin.8Purari RiverPapua New Guinea470 kilometres (290\u00a0mi)33,670 square kilometres (13,000\u00a0sq\u00a0mi)2,571 cubic metres per second (90,800\u00a0cu\u00a0ft\/s)81 cubic kilometres (19\u00a0cu\u00a0mi)Gulf of PapuaHydroelectric dam proposed by Queensland government, so may need to be removed from list[3]9Atrato RiverColombia750 kilometres (470\u00a0mi)38,600 square kilometres (14,900\u00a0sq\u00a0mi)2,274 cubic metres per second (80,300\u00a0cu\u00a0ft\/s)71 cubic kilometres (17\u00a0cu\u00a0mi)Pacific OceanSome estimates place discharge much higher – possibly placing the Atrato second only to the Fly[4]10Pyasina RiverRussia (Krasnoyarsk Krai)818 kilometres (508\u00a0mi)182,000 square kilometres (70,000\u00a0sq\u00a0mi)2,260 cubic metres per second (80,000\u00a0cu\u00a0ft\/s)71 cubic kilometres (17\u00a0cu\u00a0mi)Arctic OceanNorilsk, most northerly city over 100,000, located on main stem of river.11Essequibo RiverGuyanaVenezuela1,000 kilometres (620\u00a0mi)[5]69,000 square kilometres (27,000\u00a0sq\u00a0mi)2,213 cubic metres per second (78,200\u00a0cu\u00a0ft\/s)70 cubic kilometres (17\u00a0cu\u00a0mi)Caribbean SeaLargest completely unfragmented river flowing into Atlantic.12Anadyr RiverRussia1,150 kilometres (710\u00a0mi)191,000 square kilometres (74,000\u00a0sq\u00a0mi)2,020 cubic metres per second (71,000\u00a0cu\u00a0ft\/s)64 cubic kilometres (15\u00a0cu\u00a0mi)Gulf of Anadyr13Kuskokwim RiverAlaska (United States)1,165 kilometres (724\u00a0mi)120,000 square kilometres (46,000\u00a0sq\u00a0mi)1,900 cubic metres per second (67,000\u00a0cu\u00a0ft\/s)60 cubic kilometres (14\u00a0cu\u00a0mi)Bering SeaLargest unfragmented river in North America.Small dams exist on tributaries of Yukon, with which it shares a major delta.14Indigirka RiverRussia (Sakha)1,726 kilometres (1,072\u00a0mi)360,400 square kilometres (139,200\u00a0sq\u00a0mi)1,810 cubic metres per second (64,000\u00a0cu\u00a0ft\/s)57 cubic kilometres (14\u00a0cu\u00a0mi)Arctic OceanOymyakon, often thought of as the Northern Pole of Cold, located on main stem of river.15Great Tenasserim RiverBurma300 kilometres (190\u00a0mi)1,788 cubic metres per second (63,100\u00a0cu\u00a0ft\/s)56 cubic kilometres (13\u00a0cu\u00a0mi)Andaman SeaDischarge estimated in absence of streamgauges.16Copper RiverAlaska (United States)460 kilometres (290\u00a0mi)63,000 square kilometres (24,000\u00a0sq\u00a0mi)1,700 cubic metres per second (60,000\u00a0cu\u00a0ft\/s)54 cubic kilometres (13\u00a0cu\u00a0mi)Pacific Ocean17Laluai RiverPapua New Guinea (New Britain)1,612 cubic metres per second (56,900\u00a0cu\u00a0ft\/s)51 cubic kilometres (12\u00a0cu\u00a0mi)Pacific OceanHydropower dams proposed at present,[6] so may not remain on list permanently18Stikine RiverCanadaAlaska (United States)539 kilometres (335\u00a0mi)52,000 square kilometres (20,000\u00a0sq\u00a0mi)1,600 cubic metres per second (57,000\u00a0cu\u00a0ft\/s)51 cubic kilometres (12\u00a0cu\u00a0mi)Pacific Ocean19Taz RiverRussia1,401 kilometres (871\u00a0mi)150,000 square kilometres (58,000\u00a0sq\u00a0mi)1,540 cubic metres per second (54,000\u00a0cu\u00a0ft\/s)49 cubic kilometres (12\u00a0cu\u00a0mi)Kara Sea20Courantyne RiverSurinameGuyana765 kilometres (475\u00a0mi)69,000 square kilometres (27,000\u00a0sq\u00a0mi)1,500 cubic metres per second (53,000\u00a0cu\u00a0ft\/s)47 cubic kilometres (11\u00a0cu\u00a0mi)Atlantic Ocean21Susitna RiverAlaska (United States)504 kilometres (313\u00a0mi)63,400 square kilometres (24,500\u00a0sq\u00a0mi)1,400 cubic metres per second (49,000\u00a0cu\u00a0ft\/s)44 cubic kilometres (11\u00a0cu\u00a0mi)Pacific OceanHydropower dams proposed at present, so may not remain on list indefinitely[7]22Thelon RiverCanada (Nunavut)900 kilometres (560\u00a0mi)239,332 square kilometres (92,407\u00a0sq\u00a0mi)1,380 cubic metres per second (49,000\u00a0cu\u00a0ft\/s)44 cubic kilometres (11\u00a0cu\u00a0mi)Chesterfield Inlet23Chari RiverChadCameroonCentral African Republic949 kilometres (590\u00a0mi)548,747 square kilometres (211,872\u00a0sq\u00a0mi)1,200 cubic metres per second (42,000\u00a0cu\u00a0ft\/s)38 cubic kilometres (9.1\u00a0cu\u00a0mi)Lake ChadOnly dryland river with discharge over 10 cubic kilometres (2.40\u00a0cu\u00a0mi) not affected by dams.24Olenyok RiverRussia (Sakha)2,270 kilometres (1,410\u00a0mi)[8]219,300 square kilometres (84,700\u00a0sq\u00a0mi)[8]1,090 cubic metres per second (38,000\u00a0cu\u00a0ft\/s)35 cubic kilometres (8.4\u00a0cu\u00a0mi)Arctic Ocean25Kamchatka RiverRussia758 kilometres (471\u00a0mi)56,300 square kilometres (21,700\u00a0sq\u00a0mi)1,050 cubic metres per second (37,000\u00a0cu\u00a0ft\/s)33 cubic kilometres (7.9\u00a0cu\u00a0mi)Pacific Ocean     (adsbygoogle = window.adsbygoogle || 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