Arctic Ocean watershed

• Back River (Nunavut)

Canadian Arctic Archipelago

• Hornaday River (Nunavut)
• Kagloryuak River (Nunavut)
• Nanook River (Nunavut)
• Roscoe River (Nunavut)
• Thomsen River

Beaufort Sea watershed

• Anderson River
• Horton River (Nunavut)
• Mackenzie River & watershed
  • Great Slave Lake watershed
    • Slave River (Alberta)
      • Salt River (Alberta)
    • Hay River (Alberta & British Columbia)
    • Yellowknife River
    • Cameron River
    • Taltson River
    • Lockhart River
  • Kakisa River (Alberta)
  • Horn River
  • Bouvier River
  • Redknife River
  • Trout River
  • Jean Marie River
  • Spence River
  • Rabbitskin River
  • Liard River (Yukon & British Columbia)
    • South Nahanni River (Yukon)
    • Muskeg River
    • Kotaneelee River (Yukon)
    • Frances River
  • Harris River
  • Martin River
  • Trail River
  • North Nahanni River
  • Root River
  • Willowlake River
  • River Between Two Mountains
  • Wrigley River
  • Ochre River
  • Johnson River
  • Blackwater River
  • Dahadinni River
  • Saline River
  • Redstone River
  • Keele River
  • Great Bear River
  • Snare River
    • Great Bear Lake watershed
      • Bloody River
      • Whitefish River
  • Little Bear River
  • Carcajou River
  • Mountain River
  • Donnelly River
  • Tsintu River
  • Hare Indian River
  • Loon River
  • Tieda River
  • Gillis River
  • Gossage River
  • Thunder River
  • Tree River (Nunavut)
  • Rabbit Hay River
  • Arctic Red River
  • Peel River (Yukon)
    • Ogilvie River
    • Blackstone River (Yukon)
    • Hart River
  • Rengleng River

Coronation Gulf watershed

• Coppermine River (Nunavut)
  • Kendall River

Atlantic Ocean watershed

Hudson Bay watershed

• Thelon River & watershed (Nunavut)
  • Elk River
  • Hanbury River