Niagara Falls is divided into the Horseshoe Falls (Canada) and the American Falls (USA). The American Falls varies between 70–100 feet (21–30 m) because of the presence of giant boulders at its base. They are 1,060 feet (320 m) wide.

The Niagara Falls are voluminous waterfalls on the Niagara River, straddling the international border between the Canadian province of Ontario and the U.S. state of New York.