Glacial Lake Iroquois was a prehistoric proglacial lake that existed at the end of the last ice age approximately 13,000 years ago.
Stages of great lake development.
Lake Ontario is one of the five Great Lakes of North America. It is bounded on the north, west, and southwest by the Canadian province of Ontario, and on the south and east by the U.S. state of New York. The Canada–United States border spans the centre of the lake.
Lake Ontario seen from the International Space Station on August 24, 2013. The cloudy yellowish substance is algae bloom.
Hamilton Harbour frozen over. Ice sheets can form along the shoreline of Lake Ontario during the winter.
Profile of coastal wetlands for Lake Ontario
USS General Pike and HMS Wolfe prepare for action on September 28, 1813. The battle was one of several engagements that took place on Lake Ontario during the War of 1812.