NORTH AMERICA: International River Basin register
(updated August 2002)

AFRICA | ASIA | EUROPE | NORTH AMERICA | SOUTH AMERICA || Footnotes | Documentation
Basin Name Total area of basin (sq. km) (1)   Country name Area of country in basin (sq. km) Percent area of country in basin (%)
Alsek 28,400 Canada 26,500 93.50
  United States of America of America 1,800 6.50
 
Artibonite 8,800 Haiti 6,600 74.37
  Dominican Republic 2,300 25.55
 
Belize (43) 11,500 Belize 7,000 60.86
  Guatemala 4,500 39.14
 
Candelaria 12,800 Mexico 11,300 88.24
  Guatemala 1,500 11.74
 
Changuinola 3,200 Panama 2,900 91.29
  Costa Rica 300 8.33
 
Chilkat 3,800 United States of America 2,100 56.59
  Canada 1,600 43.35
 
Chiriqui 1,700 Panama 1,500 86.17
  Costa Rica 200 13.83
 
Choluteca 7,400 Honduras 7,200 97.68
  Nicaragua 200 2.32
 
Coatan Achute 2,000 Mexico 1,700 86.27
  Guatemala 300 13.73
 
Coco/Segovia 25,400 Nicaragua 17,900 70.52
  Honduras 7,500 29.48
 
Colorado 655,000 United States of America 644,600 98.41
  Mexico 10,400 1.59
 
Columbia 668,400 United States of America 566,500 84.75
  Canada 101,900 15.24
 
Firth 6,000 Canada 3,800 63.60
  United States of America 2,200 36.40
 
Fraser 239,700 Canada 239,100 99.74
  United States of America 600 0.26
 
Goascoran 2,800 Honduras 1,500 53.36
  El Salvador 1,300 46.64
 
Grijalva (43) 126,800 Mexico 78,900 62.25
  Guatemala 47,800 37.72
  Belize 20 0.02
 
Hondo (43) 14,600 Mexico 8,900 61.14
  Guatemala 4,200 28.50
  Belize 1,500 10.36
 
Lempa 18,000 El Salvador 9,500 52.45
  Honduras 5,800 32.01
  Guatemala 2,800 15.54
 
Massacre 800 Haiti 500 62.03
  Dominican Republic 300 35.96
 
Mississippi 3,226,300 United States of America 3,176,500 98.46
  Canada 49,800 1.54
 
Motaqua 16,100 Guatemala 14,600 90.85
  Honduras 1,500 9.11
 
Negro 5,800 Nicaragua 4,800 83.87
  Honduras 900 15.68
 
Nelson-Saskatchewan 1,109,400 Canada 952,000 85.81
  United States of America 157,400 14.19
 
Paz 2,200 Guatemala 1,400 64.47
  El Salvador 800 35.53
 
Pedernales 400 Haiti 200 67.32
  Dominican Republic 100 32.68
 
Rio Grande (North America) 656,100 United States of America 341,800 52.10
  Mexico 314,300 47.90
 
San Juan 42,200 Nicaragua 30,400 72.02
  Costa Rica 11,800 27.93
 
Sarstun (43) 2,100 Guatemala 1,800 87.63
  Belize 300 12.37
 
Sixaola 2,900 Costa Rica 2,500 88.65
  Panama 300 9.99
 
Skagit 8,000 United States of America 7,100 88.46
  Canada 900 11.54
 
St. Croix 4,600 United States of America 3,300 70.86
  Canada 1,400 29.14
 
St. John (North America) 47,700 Canada 30,300 63.50
  United States of America 17,300 36.22
 
St. Lawrence 1,055,200 Canada 559,000 52.98
  United States of America 496,100 47.02
 
Stikine 50,900 Canada 50,000 98.32
  United States of America 900 1.68
 
Suchiate 1,600 Guatemala 1,100 68.79
  Mexico 500 31.21
 
Taku 18,100 Canada 16,300 90.09
  United States of America 1,700 9.13
 
Tijuana 4,400 Mexico 3,100 70.57
  United States of America 1,300 29.43
 
Whiting 2,600 Canada 2,000 80.06
  United States of America 500 19.94
 
Yaqui 74,700 Mexico 70,100 93.87
  United States of America 4,600 6.13
 
Yukon 829,700 United States of America 496,400 59.83
  Canada 333,300 40.17
AFRICA | ASIA | EUROPE | NORTH AMERICA | SOUTH AMERICA || Footnotes | Documentation
 

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