【How-to】Where did niagara falls originally start

U.S. and Canadian cities of the same name stand on either bank of the river. The Niagara Falls on the Niagara River, between the cities of Niagara Falls, Ontario, Canada, and Niagara Falls, New York, U.S. From its head at Lake Erie, the river flows through a single channel for about 5 miles (8 km).