River Mouth coordinates Basin size Average discharge Length km2 sq mi m3 /s cu ft/s km mi Arafura Sea Morehead 9°8′19.6764″S 141°20′31.47″E / 9.138799000°S 141.3420750°E / -9.138799000; 141.3420750 3,555.8 1,372.9 99 3,500 217 135 Bensbach 9°7′41.5632″S 141°1′11.2332″E / 9.128212000°S 141.019787000°E / -9.128212000; 141.019787000 2,516.7 971.7 92.4 3,260 242 150 Mai Kussa 9°8′30.1848″S 142°12′11.25″E / 9.141718000°S 142.2031250°E / -9.141718000; 142.2031250 2,244.5 866.6 55.9 1,970 65 40 Wassi Kussa 9°10′4.818″S 142°3′0.4788″E / 9.16800500°S 142.050133000°E / -9.16800500; 142.050133000 1,551.7 599.1 48.5 1,710 76 47 Bismarck Sea Sepik 3°50′21.622″S 144°32′32.979″E / 3.83933944°S 144.54249417°E / -3.83933944; 144.54249417 80,386.2 31,037.3 5,000 180,000 1,126 700 Ramu 4°1′3.675″S 144°40′0.053″E / 4.01768750°S 144.66668139°E / -4.01768750; 144.66668139 17,822.6 6,881.3 990 35,000 640 400 Gogol 5°19′17.766″S 145°45′17.434″E / 5.32160167°S 145.75484278°E / -5.32160167; 145.75484278 2,086 805 142.7 5,040 165 103 Kapiura 5°32′13.9884″S 150°39′32.2992″E / 5.537219000°S 150.658972000°E / -5.537219000; 150.658972000 1,867.7 721.1 182.7 6,450 120 75 Via 5°31′40.4292″S 149°30′47.97″E / 5.527897000°S 149.5133250°E / -5.527897000; 149.5133250 1,110 430 90.6 3,200 85 53 Pandi 4°56′6.5364″S 151°26′38.1732″E / 4.935149000°S 151.443937000°E / -4.935149000; 151.443937000 1,085.3 419.0 163.5 5,770 75 47 Urawa 5°50′12.891″S 146°49′58.229″E / 5.83691417°S 146.83284139°E / -5.83691417; 146.83284139 1,030.5 397.9 38.6 1,360 67 42 Aria 5°34′26.094″S 149°15′54.8748″E / 5.57391500°S 149.265243000°E / -5.57391500; 149.265243000 1,012.2 390.8 76.7 2,710 90 56 Toriu 4°42′44.4816″S 151°39′22.0536″E / 4.712356000°S 151.656126000°E / -4.712356000; 151.656126000 806.2 311.3 56.3 1,990 72 45 Kulu 5°29′33.5652″S 149°54′20.2896″E / 5.492657000°S 149.905636000°E / -5.492657000; 149.905636000 769.8 297.2 69.6 2,460 96 60 Kwama 5°54′59.988″S 147°16′11.850″E / 5.91666333°S 147.26995833°E / -5.91666333; 147.26995833 574.9 222.0 37.3 1,320 Nankina 5°36′23.410″S 146°27′42.251″E / 5.60650278°S 146.46173639°E / -5.60650278; 146.46173639 550.9 212.7 31.6 1,120 Timbe 5°55′58.930″S 147°4′22.670″E / 5.93303611°S 147.07296389°E / -5.93303611; 147.07296389 459.9 177.6 26.9 950 50 31 Malas 4°22′54.258″S 145°16′14.413″E / 4.38173833°S 145.27067028°E / -4.38173833; 145.27067028 393.2 151.8 24.5 870 Gilagil 4°43′30.862″S 145°39′18.816″E / 4.72523944°S 145.65522667°E / -4.72523944; 145.65522667 364.5 140.7 24 850 39 24 Korindindi 4°55′13.6452″S 151°39′14.58″E / 4.920457000°S 151.6540500°E / -4.920457000; 151.6540500 344.9 133.2 37.6 1,330 Toiru 5°23′25.8576″S 150°59′33.9504″E / 5.390516000°S 150.992764000°E / -5.390516000; 150.992764000 313.7 121.1 43.1 1,520 30 19 Balima 5°8′33.2376″S 151°5′17.7144″E / 5.142566000°S 151.088254000°E / -5.142566000; 151.088254000 313.6 121.1 44.2 1,560 33.5 20.8 Kapuluk 5°31′36.4728″S 149°44′37.7088″E / 5.526798000°S 149.743808000°E / -5.526798000; 149.743808000 309.1 119.3 26.4 930 51 32 Gavuvu 5°28′12.198″S 150°23′26.4912″E / 5.47005500°S 150.390692000°E / -5.47005500; 150.390692000 291.6 112.6 30.1 1,060 Wari 2°12′6.6898″S 147°4′6.4776″E / 2.201858278°S 147.068466000°E / -2.201858278; 147.068466000 217.1 83.8 11.8 420 35.5 22.1 Yamule 5°26′12.1812″S 150°57′32.8356″E / 5.436717000°S 150.959121000°E / -5.436717000; 150.959121000 201.4 77.8 24.9 880 Lobu 5°12′28.5084″S 151°3′10.7208″E / 5.207919000°S 151.052978000°E / -5.207919000; 151.052978000 180.2 69.6 24.2 850 30 19 Coral Sea Fly 8°35′24.4824″S 143°36′39.024″E / 8.590134000°S 143.61084000°E / -8.590134000; 143.61084000 73,809.31 28,497.93 6,500 230,000 1,060 660 Purari 7°50′57.9624″S 145°2′54.8196″E / 7.849434000°S 145.048561000°E / -7.849434000; 145.048561000 33,517.8 12,941.3 3,000 110,000 630 390 Bamu 8°4′1.7796″S 143°42′37.2888″E / 8.067161000°S 143.710358000°E / -8.067161000; 143.710358000 19,346.5 7,469.7 1,113.6 39,330 390 240 Kikori 7°42′29.664″S 144°29′41.7624″E / 7.70824000°S 144.494934000°E / -7.70824000; 144.494934000 18,863.3 7,283.2 2,000 71,000 445 277 Turama 7°51′52.166″S 144°0′41.5296″E / 7.86449056°S 144.011536000°E / -7.86449056; 144.011536000 5,879.4 2,270.0 511.7 18,070 302 188 Vailala 7°56′43.1448″S 145°24′31.6476″E / 7.945318000°S 145.408791000°E / -7.945318000; 145.408791000 5,726.6 2,211.1 254.8 9,000 241 150 Lakekamu 8°13′16.1328″S 146°9′30.6936″E / 8.221148000°S 146.158526000°E / -8.221148000; 146.158526000 5,385 2,079 195 6,900 198 123 Vanapa 9°7′18.1596″S 146°55′1.2396″E / 9.121711000°S 146.917011000°E / -9.121711000; 146.917011000 5,358 2,069 243 8,600 130 81 Tauri 8°7′22.5084″S 146°4′37.6932″E / 8.122919000°S 146.077137000°E / -8.122919000; 146.077137000 4,263.9 1,646.3 260 9,200 250 160 Kempwelch 10°3′18.6012″S 147°46′30.5328″E / 10.055167000°S 147.775148000°E / -10.055167000; 147.775148000 3,036.2 1,172.3 111.7 3,940 165 103 Alabule 8°42′0.0252″S 146°29′34.908″E / 8.700007000°S 146.49303000°E / -8.700007000; 146.49303000 2,700.3 1,042.6 119.4 4,220 Gami 8°0′3.6216″S 143°52′49.3896″E / 8.001006000°S 143.880386000°E / -8.001006000; 143.880386000 2,449.6 945.8 215.9 7,620 160 99 Aroa 9°3′51.9408″S 146°48′3.8232″E / 9.064428000°S 146.801062000°E / -9.064428000; 146.801062000 2,197.5 848.5 77.7 2,740 80 50 Era 7°31′47.262″S 144°42′10.5912″E / 7.52979500°S 144.702942000°E / -7.52979500; 144.702942000 2,115.6 816.8 136.4 4,820 243 151 Akaifu 8°21′6.0228″S 146°16′2.2512″E / 8.351673000°S 146.267292000°E / -8.351673000; 146.267292000 1,869.1 721.7 58.1 2,050 70 43 Ormond 10°4′46.4124″S 148°10′4.5624″E / 10.079559000°S 148.167934000°E / -10.079559000; 148.167934000 1,660.4 641.1 41.5 1,470 Bonua 10°14′4.7508″S 149°5′13.3116″E / 10.234653000°S 149.087031000°E / -10.234653000; 149.087031000 1,654.7 638.9 63.7 2,250 Omati 7°44′31.2396″S 144°11′14.0676″E / 7.742011000°S 144.187241000°E / -7.742011000; 144.187241000 1,616.9 624.3 176.5 6,230 146 91 Pahoturi 9°16′26.4972″S 142°44′32.3664″E / 9.274027000°S 142.742324000°E / -9.274027000; 142.742324000 1,431.5 552.7 28.8 1,020 80 50 Oriomo 9°2′9.9924″S 143°10′54.426″E / 9.036109000°S 143.18178500°E / -9.036109000; 143.18178500 1,250.3 482.7 48.8 1,720 74 46 Bailebu 10°18′3.1716″S 149°16′34.6944″E / 10.300881000°S 149.276304000°E / -10.300881000; 149.276304000 1,100.7 425.0 38.3 1,350 Mori 10°10′17.1516″S 148°33′56.3688″E / 10.171431000°S 148.565658000°E / -10.171431000; 148.565658000 894 345 33.1 1,170 60 37 Kapuri 8°14′47.2068″S 146°11′43.0188″E / 8.246446333°S 146.195283000°E / -8.246446333; 146.195283000 872 337 29.8 1,050 Pie 7°40′7.8996″S 144°50′31.3188″E / 7.668861000°S 144.842033000°E / -7.668861000; 144.842033000 689.7 266.3 46.9 1,660 73 45 Binaturi 9°8′24.1764″S 142°57′18.3888″E / 9.140049000°S 142.955108000°E / -9.140049000; 142.955108000 540.7 208.8 15.3 540 48 30 Sagarai 10°26′35.8368″S 150°6′0.1044″E / 10.443288000°S 150.100029000°E / -10.443288000; 150.100029000 456.2 176.1 19 670 Murua 7°54′18.7272″S 145°48′45.4896″E / 7.905202000°S 145.812636000°E / -7.905202000; 145.812636000 371.5 143.4 19.5 690 Wai'i 7°27′21.8736″S 144°42′12.2136″E / 7.456076000°S 144.703392667°E / -7.456076000; 144.703392667 355.6 137.3 30.2 1,070 Pacific Ocean Pual 2°44′5.502″S 141°26′35.429″E / 2.73486167°S 141.44317472°E / -2.73486167; 141.44317472 2,682.1 1,035.6 85.2 3,010 88 55 Bliri 2°57′43.120″S 141°59′12.615″E / 2.96197778°S 141.98683750°E / -2.96197778; 141.98683750 1,473.3 568.8 49.6 1,750 82 51 Laluai 6°30′0.0756″S 155°54′48.9672″E / 6.500021000°S 155.913602000°E / -6.500021000; 155.913602000 511.7 197.6 34.7 1,230 65 40 Solomon Sea Markham 6°44′44.473″S 146°58′12.987″E / 6.74568694°S 146.97027417°E / -6.74568694; 146.97027417 12,712 4,908 385 13,600 180 110 Musa 9°4′27.7752″S 148°53′1.0644″E / 9.074382000°S 148.883629000°E / -9.074382000; 148.883629000 6,029 2,328 262 9,300 260 160 Waria 7°49′21.608″S 147°40′52.370″E / 7.82266889°S 147.68121389°E / -7.82266889; 147.68121389 3,920.2 1,513.6 219.8 7,760 200 120 Mambare 8°3′9.822″S 148°0′26.271″E / 8.05272833°S 148.00729750°E / -8.05272833; 148.00729750 3,509.1 1,354.9 265.9 9,390 220 140 Kumusi 8°28′47.285″S 148°13′38.445″E / 8.47980139°S 148.22734583°E / -8.47980139; 148.22734583 2,726.7 1,052.8 188.4 6,650 167 104 Mongi 6°42′40.883″S 147°35′59.376″E / 6.71135639°S 147.59982667°E / -6.71135639; 147.59982667 1,649.1 636.7 92.7 3,270 73 45 Gira 8°0′8.001″S 147°57′27.047″E / 8.00222250°S 147.95751306°E / -8.00222250; 147.95751306 1,379.7 532.7 96.5 3,410 110 68 Busu 6°43′44″S 147°03′05″E / 6.72889°S 147.05139°E / -6.72889; 147.05139 1,311.32 506.30 50 1,800 75 47 Ruaba 9°48′5.9724″S 149°44′4.704″E / 9.801659000°S 149.73464000°E / -9.801659000; 149.73464000 1,107.1 427.5 32.1 1,130 Bariji 9°5′9.8052″S 148°38′15.4428″E / 9.086057000°S 148.637623000°E / -9.086057000; 148.637623000 1,034.9 399.6 47.9 1,690 Mevelo 4°58′21.4932″S 151°58′41.8116″E / 4.972637000°S 151.978281000°E / -4.972637000; 151.978281000 936.8 361.7 77.3 2,730 67 42 Esis 5°30′42.5628″S 151°40′10.3944″E / 5.511823000°S 151.669554000°E / -5.511823000; 151.669554000 911.8 352.0 129.6 4,580 50 31 Warangoi 4°30′38.1996″S 152°20′7.1556″E / 4.510611000°S 152.335321000°E / -4.510611000; 152.335321000 882.9 340.9 26.5 940 60 37 Ania 6°1′17.1156″S 150°47′48.5376″E / 6.021421000°S 150.796816000°E / -6.021421000; 150.796816000 862 333 88 3,100 50 31 Johanna 6°17′1.2048″S 150°0′25.3296″E / 6.283668000°S 150.007036000°E / -6.283668000; 150.007036000 818.3 315.9 80.1 2,830 Bitoi 7°12′46.106″S 147°8′11.866″E / 7.21280722°S 147.13662944°E / -7.21280722; 147.13662944 762.2 294.3 20.6 730 53 33 Paiawa 7°32′12.660″S 147°22′40.907″E / 7.53685000°S 147.37802972°E / -7.53685000; 147.37802972 727 281 30 1,100 74 46 Eia 7°56′17.556″S 147°48′11.395″E / 7.93821000°S 147.80316528°E / -7.93821000; 147.80316528 723.1 279.2 48.9 1,730 91 57 Ope 8°18′30.651″S 148°12′21.352″E / 8.30851417°S 148.20593111°E / -8.30851417; 148.20593111 713.3 275.4 51.5 1,820 Pulie 6°5′10.3632″S 149°10′45.4188″E / 6.086212000°S 149.179283000°E / -6.086212000; 149.179283000 697 269 44.8 1,580 100 62 Alimbit 6°8′22.9082″S 149°29′30.4548″E / 6.139696722°S 149.491793000°E / -6.139696722; 149.491793000 658 254 52.4 1,850 35 22 Awio 6°14′30.7212″S 150°9′32.8932″E / 6.241867000°S 150.159137000°E / -6.241867000; 150.159137000 626.7 242.0 69.7 2,460 58 36 Torlu 5°51′52.542″S 151°17′15.81″E / 5.86459500°S 151.2877250°E / -5.86459500; 151.2877250 603.2 232.9 66 2,300 55 34 Yupuru 9°32′39.5592″S 149°22′43.716″E / 9.544322000°S 149.37881000°E / -9.544322000; 149.37881000 522.2 201.6 21.7 770 Jaba 6°23′51.7776″S 155°11′52.6056″E / 6.397716000°S 155.197946000°E / -6.397716000; 155.197946000 515.6 199.1 44 1,600 50 31 Frisco 7°4′24.368″S 147°2′57.512″E / 7.07343556°S 147.04930889°E / -7.07343556; 147.04930889 508.5 196.3 15.4 540 Melkoi 5°57′51.012″S 151°6′39.1536″E / 5.96417000°S 151.110876000°E / -5.96417000; 151.110876000 494.8 191.0 53.2 1,880 51 32 Itni 5°50′0.8016″S 148°33′18.1728″E / 5.833556000°S 148.555048000°E / -5.833556000; 148.555048000 454.3 175.4 24.7 870 38 24 Mape 6°35′16.210″S 147°49′25.820″E / 6.58783611°S 147.82383889°E / -6.58783611; 147.82383889 452.8 174.8 29.5 1,040 50 31 Andru 6°16′42.6936″S 149°48′25.416″E / 6.278526000°S 149.80706000°E / -6.278526000; 149.80706000 447 173 38.2 1,350 Girua 8°36′55.8252″S 148°18′57.3229″E / 8.615507000°S 148.315923028°E / -8.615507000; 148.315923028 414.5 160.0 24.9 880 Bergberg 5°30′48.0312″S 151°41′32.9712″E / 5.513342000°S 151.692492000°E / -5.513342000; 151.692492000 404.4 156.1 57.6 2,030 74 46 Amgen 6°13′29.244″S 150°28′51.0672″E / 6.22479000°S 150.480852000°E / -6.22479000; 150.480852000 390.6 150.8 46.4 1,640 65 40 Bairaman 5°45′48.1428″S 151°23′33.7236″E / 5.763373000°S 151.392701000°E / -5.763373000; 151.392701000 364 141 41.9 1,480 66 41 Adi 5°56′42.7416″S 148°50′47.9652″E / 5.945206000°S 148.846657000°E / -5.945206000; 148.846657000 361.8 139.7 18.8 660 65 40 Wunung 5°36′25.4232″S 151°27′35.4528″E / 5.607062000°S 151.459848000°E / -5.607062000; 151.459848000 315.1 121.7 38.4 1,360 39 24 Kamdaru 4°11′58.3476″S 152°40′49.5588″E / 4.199541000°S 152.680433000°E / -4.199541000; 152.680433000 287.5 111.0 14.7 520 33 21 Weitin 4°37′18.1956″S 153°1′42.5244″E / 4.621721000°S 153.028479000°E / -4.621721000; 153.028479000 283.5 109.5 12.1 430 35 22 Pailima 6°17′6.9144″S 149°39′34.8984″E / 6.285254000°S 149.659694000°E / -6.285254000; 149.659694000 268.7 103.7 22.1 780 Galowe 5°31′17.3028″S 151°28′58.5696″E / 5.521473000°S 151.482936000°E / -5.521473000; 151.482936000 214.8 82.9 30.3 1,070 31 19 Tigul 5°32′26.0088″S 151°51′52.3728″E / 5.540558000°S 151.864548000°E / -5.540558000; 151.864548000 185.9 71.8 25.4 900 Matali 5°31′10.1424″S 151°30′38.5092″E / 5.519484000°S 151.510697000°E / -5.519484000; 151.510697000 173.9 67.1 24.2 850