Lake Ontario relates to only one other Great lake - Lake Erie. The only reference I can find to a "Lake Horn" is in Mississippi - a very long way from Lake Ontario.
Lake Erie.
Toronto is located on the shore of Lake Ontario, one of the Great Lakes.
New York borders two of the Great Lakes, Lake Ontario and Lake Erie.
The Great Lakes: Lake Superior, Lake Michigan, Lake Huron, Lake Erie, and Lake Ontario.
Lake Ontario
Lake St. Clair is the smallest of the Great Lakes.
The Five Great lakes between the US and CANADA is Lake Huron, Lake Ontario, Lake MichiGan,Lake Erie, and Lake Superior.An Easy Way of Memorizing it is HOMES
Lake Ontario and lake Erie is the Great Lakes located in the Northeast.
Lake Ontario
Lake Ontario is bordered by both Ontario Canada and New York State. Lake Ontario is one of the 5 Great Lakes (Lake Ontario, Lake Huron, Lake Erie, Lake Michigan and Lake Superior)
The Welland Canal was formed by Lake Ontario, but is in between Lake Ontario and Lake Erie!
All of the great lakes (Lake Superior, Lake Michigan, Lake Ontario, Huron, and Lake Erie)