Rhestr afonydd hwyaf y byd

CyfandiroeddAffricaAsiaAwstraliaEwropGogledd AmericaDe America
AfonHyd (km)Dalgylch (km²)Llif cyfartaledd (m³/eiliad)Yn llifo iGwledydd yn y dalgylch1.Afon Amazonas *70406915000219000Cefnfor IweryddBrasil, Periw, Bolifia, Colombia, Ecwador, Feneswela.2.Nîl *667134000005100Y Môr CanoldirEthiopia, Eritrea, Swdan, Wganda, Tansanïa, Cenia, Rwanda, Bwrwndi, Yr Aifft, Gweriniaeth Ddemocrataidd y Congo.3.Mississippi - Missouri - Jefferson6270(6420)298000016200Gwlff MecsicoUnol Daleithiau America, Canada4.Yangtze(Chang Jiang)6211(5797)180000031900Môr Dwyrain ChinaGweriniaeth Pobl Tsieina5.Yenisei - Angara - Selenga5550(4506)258000019600Môr KaraRwsia, Mongolia6.Huang He(Yr Afon Felen)5464(4667)7450002571Môr Bohai(Balhae)Gweriniaeth Pobl Tsieina7.Ob' - Irtysh5410*299000012800Gwlff ObRwsia, Casachstan, Gweriniaeth Pobl Tsieina8.Amur(Heilong Jiang)4368*185500011400Môr OkhotskRwsia, Gweriniaeth Pobl Tsieina, Mongolia9.Congo(Zaire)4371(4670)368000041800Cefnfor IweryddGweriniaeth Ddemocrataidd y Congo, Gweriniaeth Canolbarth Affrica, Angola, Gweriniaeth y Congo, Tansanïa, Camerŵn, Sambia, Bwrwndi, Rwanda10.Lena4260(4400)249000017100Môr LaptevRwsia11.Mackenzie - Peace - Finlay4241(5427)179000010300Môr BeaufortCanada12.Niger4167(4138*)20900009570Gwlff GiniNigeria, Mali, Niger, Algeria, Gini, Camerŵn, Bwrcina Ffaso, Arfordir Ifori, Benin, Tsiad13.Mekong(Lancang Jiang)402381000016000Môr De ChinaLaos, Gwlad Tai, Gweriniaeth Pobl Tsieina, Cambodia, Fietnam, Myanmar14.Paraná(Río de la Plata)3998(4700)310000025700Cefnfor IweryddBrasil, Ariannin, Paragwái, Bolifia, Wrwgwái 15.Murray - Darling3750(3520)1061000767Cefnfor y DeAwstralia16.Volga3645*13800008080Môr CaspiaRwsia17.Shatt al-'Arab / Arvandrud - Ewffrates3596(2992)884000856Gwlff PersiaIrac, Twrci, Iran, Syria18.Purus3379(2948)(3210)631668400Afon AmazonasBrasil, Periw19.Madeira - Mamoré323985000017000Afon AmazonasBrasil, Bolifia, Periw20.Yukon31848500006210Môr BeringUnol Daleithiau America, Canada21.Indus(Sindhu)31809600007160Môr ArabiaPacistan, India, Gweriniaeth Pobl Tsieina, Affganistan 22.São Francisco3180*(2900)6100003300Cefnfor IweryddBrasil23.Syr Darya - Naryn3078219000 703Môr AralCasachstan, Cirgistan, Wsbecistan, Tajicistan24.Salawin(Nu Jiang)30603240003153Môr AndamanGweriniaeth Pobl Tsieina, Myanmar, Gwlad Tai25.St Lawrence - Llynnoedd Mawr3058103000010100Gwlff St LawrenceCanada, Unol Daleithiau America26.Rio Grande3057(2896)57000082Gwlff MecsicoUnol Daleithiau America, Mecsico27.Tunguska Isaf2989473000 3600YeniseiRwsia28.Brahmaputra2948*173000019200Bae BengalIndia, Gweriniaeth Pobl Tsieina, Nepal, Bangladesh, Bhwtan29.Donaw2850*8170007130Y Môr DuYr Almaen, Awstria, Slofacia, Hwngari, Croatia, Serbia, Bwlgaria, Rwmania, Moldafa, Wcráin30.Afon Ewffrates2760765831818Gwlff PersiaTwrci, Syria, Irac31.Tocantins2699140000013598Cefnfor Iwerydd, Afon AmazonasBrasil32.Zambezi(Zambesi)2693*13300004880Culfor MosambîcSambia, Angola, Simbabwe, Mosambic, Malawi, Tansanïa, Namibia, Botswana33.Viljuj26504540001480LenaRwsia34.Araguaia26273581256172TocantinsBrasil35.Amu Darya26205347391400Môr AralWsbecistan, Tyrcmenistan, Tajicistan, Affganistan36.Caquetá(Rio Yapurá neu Japurá)2615*242259 6000Afon AmazonasBrasil, Colombia37.Nelson - Saskatchewan257010930002575Bae HudsonCanada 38.Paragwái(Rio Paraguay)25499000004300ParanáBrasil, Paragwái, Bolifia, Ariannin39.Kolyma25136440003800Môr Siberia DwyreiniolRwsia40.Ganga251090700012037Brahmaputra, Bae BengalIndia, Bangladesh, Nepal41.Pilcomayo2500270000ParagwáiParagwái, Ariannin, Bolifia42.Ob' Uchaf2490ObRwsia43.Išim245017700056 IrtyšCasachstan, Rwsia44.Jurua24102000006000Afon AmazonasPeriw, Brasil45.Wral2428237000475Môr CaspiaRussia, Casachstan46.Arkansas2348505000(435122)MississippiUnol Daleithiau America47.Ubangi - Uele2300CongoGweriniaeth Ddemocrataidd y Congo, Gweriniaeth Canolbarth Affrica48.Olenëk2292Môr LaptevRwsia49.Dnieper22875163001670Môr DuRwsia, Bielorussia, Wcrain50.Aldan2273LenaRwsia51.Rio Negro2250Afon AmazonasBrasil, Feneswela, Colombia52.Columbia2250 (1953)4152117400Cefnfor TawelUnol Daleithiau, Canada53.Colorado23333900001200Gwlff CalifforniaUnol Daleithiau, Mecsico54.Pearl - Xi Jiang220043700013600Mar Cinese MeridionaleTsieina, Fietnam55.Red2188MississippiUnol Daleithiau56.Irrawaddy(Irrawaddi neu Ayeyarwady )217041100013000Môr AndamanMyanmar57.Kasai2153CongoAngola, Gweriniaeth Ddemocratiaidd y Congo58.Ohio - Allegheny2102490603 MississippiUnol Daleithiau59.Orinoco210188000030000Cefnfor IweryddFeneswela, Colombia56.Tarim2100Lop NorGweiniaeth Pobl Tsieina61.Xingu2100Brasil62.Oren2092  Cefnfor IweryddDe Affrica, Namibia, Botswana, Lesotho63.Salado Ogleddol2010ParanáAriannin64.Vitim1978LenaRwsia65.Tigris1950Shatt al-'ArabTwrci, Irac, Syria, Iran66.Songhua1927AmurGweriniaeth Pobl Tsieina67.Tapajós1900Brasil68.Don1870Môr AzovRussia69.Angara1865YeniseiRwsia70.Pechora1809322000Môr BarentsRwsia71.Kama1805507000VolgaRussia72.Afon Limpopo1800Cefnfor IndiaMosambic, Simbabwe, De Affrica, Botswana73.Guaporé1749MamoréBrasil, Bolifia74.Indigirka1726Mare della Siberia OrientaleRwsia75.Snake1670ColumbiaUnol Daleithiau America76.Senegal1641419659Cefnfor IweryddSenegal, Mali, Mauritania77.Wrwgwái1610Cefnfor IweryddWrwgwái, Ariannin, Brasil78.Afon Nîl Las1600NîlEthiopia, Swdan79.Churchill1600Bae HudsonCanada80.Chatanga1600Môr LaptevRwsia81.Okavango1600Delta OkavangoNamibia, Angola, Botswana82.Volta1600Gwlff GiniGhana, Bwrcina Ffaso, Togo, Costa d'Avorio, Benin83.Beni1599MadeiraBolifia84.Platte1594MissouriUnol Daleithiau85.Tobol1591IrtyshCasachstan, Rwsia86.Jubba - Uebi Scebeli1580*Cefnfor IndiaEthiopia, Somalia87.Putumayo1575Brasil, Periw, Colombia, Ecwador88.Magdalena1550Môr y CaribîColombia89.Han1532Yangtze Tsieina90.Lomami1500CongoGweriniaeth Ddemocrataidd y Congo91.Oka1500VolgaRwsia92.Pecos1490Rio GrandeUnol Daleithiau93.Yenisei uchaf1480YeniseiRwsia, Mongolia94.Godavari1465Bae BengalIndia95.Colorado (Texas)1438Gwlff MecsicoUnol Daleithiau96.Río Grande (Guapay)1438IchiloBolifia97.Belaya1420KamaRussia98.Cooper - Barcoo1420Llyn EyreAwstralia99.Marañón1415Periw100.Dniester1411 (1352)Môr DuWcrain, Moldafia101.Benue1400NigerCamerŵn, Nigeria102.Ili(Yili)1400Llyn BaikhalTsieina, Casachstan103.Warburton - Georgina1400Llyn EyreAwstralia104.Yamuna1376GangaIndia105.Sutlej1370ChenabTsieina, India, Pacistan106.Vyatka1370KamaRwsia107.Fraser1368Cefnfor TawelCanada108.Kura1364Môr CaspiaAserbaijan, Georgia, Armenia, Twrci, Iran109.Rio Grande (Paraná)1360ParanáBrasile110.Brazos1352Gwlff MecsicoUnol Daleithiau111.Liao1345Môr BohaiCina112.Yalong1323YangtzeTsieina113.Iguazú1320ParanáBrasil, Ariannin114.Olëkma1320LenaRwsia115.Rhein1320144055Môr y GogleddYr Almaen, Ffrainc, Y Swistir, Yr Iseldiroedd, Awstria, Lwcsembwrg, Liechtenstein116.Krishna1300Bae BengalIndia117.Iriri1300Afon XinguBrasil118.Narmada1289Môr ArabiaIndia119.Ottawa1271Afon St LawrenceCanada120.Zeja1242AmurRwsia121.Juruena1240TapajósBrasil122. Mississippi uchaf1236MississippiUnol Daleithiau123.Athabasca1231MackenzieCanada124.Canadian1223ArkansasUnol Daleithiau125.North Saskatchewan1220SaskatchewanCanada126.Vaal1210OrangeDe Affrica127.Shire1200ZambeziMosambic, Malawi126.Nen (Nonni)1190SonghuaTsieina127.Green1175ColoradoUnol Daleithiau128.Milk1173MissouriUnol Daleithiau, Canada129.Elbe1162*Môr y GogleddYr Almaen, Gweriniaeth Tsiec130.Chindwin1158IrrawaddyMyanmar131.James1143MissouriUnol Daleithiau131.Kapuas1143Môr De IsieinaIndonesia133.Helmand1130Hamun-i-HelmandAffganistan, Iran133.Madre de Dios1130MadeiraPeriw, Bolifia133.Tietê1130ParanáBrasil133.Vycegda1130Dvina SettentrionaleRwsia137.Sepik112677700Cefnfor TawelPapua Gini Newydd, Indonesia138.Cimarron1123ArkansasUnol Daleithiau139.Anadyr'1120Gwlff Anadyr'Rwsia140.Liard1115MackenzieCanada141.White1102MississippiUnol Daleithiau142.Huallaga1100MarañónPeriw143.Gambia1094Cefnfor IweryddGambia, Senegal, Gini144.Chenab1086IndusIndia, Pacistan145.Yellowstone1080MissouriUnol Daleithiau146.Donets1078 (1053)DonWcrain, Rwsia147.Bermejo1050ParagwáiAriannin, Bolifia147.Fly1050Gwlff PapuaPapua Gini Newydd, Indonesia147.Guaviare1050OrinocoColombia147.Kuskokwim1050Môr BeringUnol Daleithiau151.Tennessee1049OhioUnol Daleithiau152.Daugava1020Gwlff RigaLithwania, Belarws, Russia153.Gila1015ColoradoUnol Daleithiau154.Vistula1014Y Môr BaltigGwlad Pwyl155.Loire1012Cefnfor yr IweryddFfrainc156.Essequibo1010Oceano AtlanticoGaiana156.Chopër1010DonRwsia158.Tagus1006Cefnfor IweryddSbaen, Portiwgal159.Colorado (Ariannin)1000Cefnfor IweryddAriannin

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