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River reaches with depth maps in Ontario

Wide river reaches the Ontario MNRF surveyed the way it surveys lakes. They are named as rivers on their own pages and kept out of the inland-lake rankings. Deepest first.

19 rivers

  1. 1English RiverKenora District102 ft
  2. 2Seine RiverRainy River District80 ft
  3. 3Western Channel (French River)Sudbury District79 ft
  4. 4Kopka RiverThunder Bay District79 ft
  5. 5Michipicoten RiverAlgoma District69 ft
  6. 6Eastern Outlet (French River)Sudbury District66 ft
  7. 7Berens RiverKenora District59 ft
  8. 8French RiverSudbury District52 ft
  9. 9Donaldson RiverKenora District39 ft
  10. 10Shabumeni RiverKenora District39 ft
  11. 11Joseph RiverMuskoka33 ft
  12. 12Opinnagua RiverKenora District33 ft
  13. 13Cygnet RiverKenora District30 ft
  14. 14Kaministiquia RiverThunder Bay District30 ft
  15. 15Cygnet RiverKenora District25 ft
  16. 16Whitefish RiverSudbury District23 ft
  17. 17Eaglehead RiverThunder Bay District20 ft
  18. 18Grand River sectionWaterloo Region10 ft
  19. 19Pigeon RiverKawartha Lakes6 ft
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