Principal rivers and their tributaries

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Principal rivers and their tributaries
Drainage basin and river Drainage area Length
  km2 km
Flowing into the Pacific Ocean
Yukon (mouth to head of Nisutlin) .. 3,185
  (International boundary to head of Nisutlin) 323,800 1,149
  Porcupine 61,400 721
  Stewart 51,000 644
  Pelly 51,000 608
  Teslin 35,500 393
  White 38,000 265
Columbia (mouth to head of Columbia Lake) .. 2,000
  (International boundary to head of Columbia Lake) 102,800 801
  Kootenay 37,700 780
  Kettle (to head of Holmes Lake) 4,700 336
  Okanagan (to head of Okanagan Lake) 21,600 314
Fraser 232,300 1,370
  Thompson (to head of North Thompson) 55,400 489
  North Thompson 20,700 338
  South Thompson (to head of Shuswap) 17,800 332
  Nechako (to head of Eutsuk Lake) 47,100 462
  Stuart (to head of Driftwood) 16,200 415
Skeena 54,400 579
Stikine 49,800 539
Nass 21,100 380
Flowing into the Arctic Ocean
Mackenzie (to head of Finlay) 1,805,200 4,241
  Peace (to head of Finlay) 302,500 1,923
  Smoky 51,300 492
  Athabasca 95,300 1,231
  Pembina 12,900 547
  Liard 277,100 1,115
  South Nahanni 36,300 563
  Fort Nelson (to head of Sikanni Chief) 55,900 517
  Petitot .. 404
  Hay 48,200 702
  Peel (mouth of west Channel to head of Ogilvie) 73,600 684
  Arctic Red .. 499
  Slave (from Peace River to Great Slave Lake) 616,400 415
  Fond du Lac (to outlet of Wollaston Lake) 66,800 277
Back (to outlet of Muskox Lake) 106,500 974
Coppermine .. 845
Anderson .. 692
Horton .. 618
Flowing into Hudson Bay and Hudson Strait
Nelson (to head of Bow) 892,300 2,575
  (to outlet of Lake Winnipeg) 802,900 644
  Saskatchewan (to head of Bow) 334,100 1,939
  South Saskatchewan (to head of Bow) 144,300 1,392
  Red Deer 45,100 724
  Bow 26,200 587
  Oldman 26,700 362
  North Saskatchewan 12,800 1,287
  Battle (to head of Pigeon Lake) 30,300 570
  Red (to head of Sheyenne) 138,600 877
  Assiniboine 160,600 1,070
  Winnipeg (to head of Firesteel) 106,500 813
  English 52,300 615
  Fairford (to head of Manitoba Red Deer) 80,300 684
Churchill (to head of Churchill Lake) 281,300 1,609
  Beaver (to outlet of Beaver Lake) .. 491
Severn (to head of Black Birch) 102,800 982
Albany (to head of Cat) 135,200 982
Thelon 142,400 904
  Dubawnt 57,500 842
La Grande-Rivière (Fort George River) 97,600 893
Koksoak (to head of Caniapiscau) 133,400 874
Nottaway (via Bell to head of Mégiscane) 65,800 776
Rupert (to head of Témiscamie) 43,400 763
Eastmain 46,400 756
Attawapiskat (to head of Bow Lake) 50,500 748
Kazan (to head of Ennadai Lake) 71,500 732
Grande rivière de la Baleine 42,700 724
George 41,700 565
Moose (to head of Mattagami) 108,500 547
  Abitibi (to head of Louis Lake) 29,500 547
  Mattagami (to head of Minisinakwa Lake) 37,000 443
  Missinaibi 23,500 426
Harricana/Harricanaw 29,300 533
Hayes 108,000 483
aux Feuilles 42,500 480
Winisk 67,300 475
Broadback 20,800 450
à la Baleine 31,900 428
de Povungnituk 28,500 389
Innuksuac 11,400 385
Petite rivière de la Baleine 15,900 380
Arnaud 49,500 377
Nastapoca 13,400 360
Kogaluc 11,600 304
Flowing into the Atlantic Ocean
St. Lawrence River 839,200 3,058
  Nipigon (to head of Ombabika) 25,400 209
  Spanish 14,000 338
  Trent (to head of Irondale) 12,400 402
Ottawa River 146,300 1,271
  Gatineau 23,700 386
  du Lièvre .. 330
Saguenay (to head of Péribonca) 88,000 698
  Péribonca 28,200 451
  Mistassini 21,900 298
Chamouchouane .. 266
Saint-Maurice 43,300 563
Manicouagan (to head of Mouchalagane) 45,800 560
aux Outardes 19,000 499
Romaine 14,350 496
Betsiamites (to head of Manouanis) 18,700 444
Moisie 19,200 410
St-Augustin 9,900 233
Richelieu (to mouth of Lake Champlain) 3,800 171
Churchill (to head of Ashuanipi) 79,800 856
Saint John 35,500 673
Little Mecatina 19,600 547
Natashquan 16,100 410