Glacial Lake Iroquois was a massive prehistoric lake that covered much of what is now upstate New York and southern Ontario during the last Ice Age, formed as glaciers retreated around 13,000 years ago. At its peak, this ancient body of water was significantly larger than any of today’s Great Lakes and drained through the Mohawk Valley into the Hudson River. When the ice dam finally broke, the catastrophic drainage of Lake Iroquois helped carve the landscape we see today and contributed to the f
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Glacial Lake Iroquois was a massive prehistoric lake that covered much of what is now upstate New York and southern Ontario during the last Ice Age, formed as glaciers retreated around 13,000 years ago. At its peak, this ancient body of water was significantly larger than any of today’s Great Lakes and drained through the Mohawk Valley into the Hudson River. When the ice dam finally broke, the catastrophic drainage of Lake Iroquois helped carve the landscape we see today and contributed to the f
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