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Niagara Falls (French: les Chutes du Niagara) is a set of massive waterfalls located on the Niagara River, straddling the international border separating the Canadian province of Ontario and the U.S. state of New York. The falls are located 17 miles (27 km) north-northwest of Buffalo, New York, 75 miles (120 km) south-southeast of Toronto, Ontario, between the twin cities of Niagara Falls, Ontario, and Niagara Falls, New York. (wikipedia)