| 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 |
| |