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100 Longest Rivers in North America - with a Map

With the help of the map, name the 100 longest rivers and river systems on the North American continent!
Main source: river-specific sites of Wikipedia as well as Spanish Wikipedia
See comments for further terminology
Additional waters (headwaters, traversed lakes etc.) can be found in quiz and answer stats
More continents in this series: Europe
Quiz by Gassu
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Last updated: June 11, 2022
First submittedJune 11, 2022
Times taken1,125
Average score28.0%
Rating4.45
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Length
in mi
Length
in km
River
2,639
4,246
Missouri
2,635
4,241
Mackenzie
2,340
3,766
Mississippi
1,980
3,190
Yukon
1,900
3,058
St. Lawrence
1,896
3,051
Rio Grande
1,600
2,575
Nelson
1,490
2,397
Arkansas
1,450
2,333
Colorado
1,360
2,188
Red River of the South
1,306
2,101
Ohio
1,280
2,060
Brazos
1,243
2,000
Columbia
1,078
1,735
Snake
1,026
1,651
Platte
1,000
1,609
Churchill (Hudson's Bay)
952
1,532
Kuskokwim
926
1,490
Pecos
926
1,490
Tennessee
906
1,458
Canadian
862
1,387
Colorado (Texas)
857
1,379
Usumacinta
854
1,375
Fraser
807
1,298
Alabama
800
1,287
North Saskatchewan
796
1,281
Grande de Santiago
790
1,271
Ottawa
765
1,231
Athabasca
759
1,221
Milk
757
1,218
Kansas
742
1,194
Red River of the North
733
1,179
Cumberland
730
1,175
Green
722
1,162
White (Mississippi R.)
720
1,158
North Canadian
710
1,142
James (Dakotas)
710
1,142
Trinity
698
1,123
Cimarron
693
1,115
Liard
692
1,113
Yellowstone
689
1,109
Tanana
665
1,070
Assiniboine
653
1,050
Yaqui
649
1,044
Gila
621
999
Kazan
610
982
Albany
610
982
Severn
605
974
Back
605
974
Ouachita
591
951
Sheyenne
Length
in mi
Length
in km
River
590
949
Chattahoochee
580
933
White (Missouri R.)
575
925
Smoky Hill
569
916
Porcupine
568
914
Niobrara
566
910
Conchos
560
901
Thelon
560
901
Little Missouri
559
900
Papaloapan
559
899
Sabine
555
893
La Grande
550
885
Powder
543
874
Koksoak
543
874
Dubawnt
532
856
Churchill (Atlantic Ocean)
530
853
Koyukuk
525
845
Coppermine
525
845
Des Moines
523
841
Coco
505
813
Winnipeg
503
809
Wabash
500
805
Innoko
493
793
Osage
489
787
South Platte
485
780
Kootenay
482
776
Nottaway
479
771
Balsas
479
771
Pend Oreille
476
766
Solomon
474
763
Rupert
470
756
Eastmain
468
753
Ocmulgee
465
748
Attawapiskat
463
745
Neosho
461
742
Bighorn
457
735
Kanawha
450
724
Great Whale
450
724
Red Deer
447
719
Pee Dee
447
719
Sacramento
444
714
James (Virginia)
444
714
Pearl
444
714
Susquehanna
441
710
Potomac
440
708
Roanoke
438
705
Santee
436
702
Hay
435
700
Souris
434
698
Saguenay
431
693
Kentucky
+2
Level 71
Jun 11, 2022
Terminology Used:

River: A body of water bearing the same name for its course

River system: A system which consists of at least two rivers. There are, however, requirements for this:

A river system has been assumed if it has

1. its source in a lake which is fed by a river of another name (e.g. Niagara River -> Lake Ontario -> St. Lawrence River)

2. its source at the confluence of two rivers, then following the longer one (e.g. Ohio -> Allegheny)

This in return means, that a longer tributary joining the main river later somewhere along its way is NOT considered a river system (e.g. Mississippi - Missouri)

N.B. I only considered information currently available in Wikipedia. The true length incl. small mountain headcreeks of unspecified length might be longer. A few rivers (Culiacán and Great Bear) were excluded due to dubious sources.

Stay tuned, South America is coming next!

+2
Level 68
Jun 13, 2022
Great quiz! Rivers are underrated on Jetpunk, in my opinion.