Glacial Lake Agassiz

Lake Agassiz was a large proglacial lake that existed in central North America during the late Pleistocene, fed by meltwater from the retreating Laurentide Ice Sheet at the end of the last glacial period. At its peak, the lake's area was larger than all of the modern Great Lakes combined. It eventually drained into what is now Hudson Bay, leaving behind Lak…
Lake Agassiz was a large proglacial lake that existed in central North America during the late Pleistocene, fed by meltwater from the retreating Laurentide Ice Sheet at the end of the last glacial period. At its peak, the lake's area was larger than all of the modern Great Lakes combined. It eventually drained into what is now Hudson Bay, leaving behind Lake Winnipeg, Lake Winnipegosis, Lake Manitoba, and Lake of the Woods.
  • Location: Manitoba, Ontario, and Saskatchewan in Canada; Minnesota and North Dakota in the U.S.
  • Lake type: proglacial lake
  • Etymology: Louis Agassiz
  • Primary inflows: Laurentide Ice Sheet
  • Primary outflows: Glacial River Warren, the Vermilion River, the Wanapitei River, and the Montreal River valley
  • Basin countries: Canada, United States
  • First flooded: 12,875 years before present

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Data from: en.wikipedia.org