<P> Located on the Niagara River , which drains Lake Erie into Lake Ontario , the combined falls form the highest flow rate of any waterfall in the world that has a vertical drop of more than 165 feet ( 50 m ) . Horseshoe Falls is the most powerful waterfall in North America , as measured by flow rate . The falls are 17 miles ( 27 km ) north - northwest of Buffalo , New York , and 75 miles ( 121 km ) south - southeast of Toronto , between the twin cities of Niagara Falls , Ontario , and Niagara Falls , New York . </P>
<P> Located on the Niagara River , which drains Lake Erie into Lake Ontario , the combined falls form the highest flow rate of any waterfall in the world that has a vertical drop of more than 165 feet ( 50 m ) . Horseshoe Falls is the most powerful waterfall in North America , as measured by flow rate . The falls are 17 miles ( 27 km ) north - northwest of Buffalo , New York , and 75 miles ( 121 km ) south - southeast of Toronto , between the twin cities of Niagara Falls , Ontario , and Niagara Falls , New York . </P>
where does water for niagara falls come from
where does water for niagara falls come from
the Niagara River , which drains Lake Erie into Lake Ontario
the Niagara River , which drains Lake Erie into Lake Ontario