The Niagara River flows north from Lake Erie to Lake Ontario. It forms part of the border between the Province of Ontario in Canada and New York State in the United States. There are differing theories as to the origin of the name of the river...
draining Lake Erie
Lake Erie is the fourth largest lake of the five Great Lakes in North America, and the tenth largest globally. It is the southernmost, shallowest, and smallest by volume of the Great Lakes and therefore also has the shortest average water residence time. It is bounded on the north by the...
into Lake Ontario
Lake Ontario is one of the five Great Lakes of North America. It is bounded on the north and southwest by the Canadian province of Ontario, and on the south by the American state of New York. Ontario, Canada's most populous province, was named for the lake. In the Wyandot language, ontarío means...
, is the collective name for the Horseshoe Falls
The Horseshoe Falls, also known as the Canadian Falls, is part of Niagara Falls, on the Niagara River. Approximately 90% of the Niagara River, after diversions for hydropower generation, flows over Horseshoe Falls. The remaining 10% flows over the American Falls...
and the adjacent American Falls
The American Falls is one of three waterfalls that together are known as Niagara Falls on the Niagara River along the Canada-U.S. border. Unlike the much larger Horseshoe Falls, of which two-thirds of the falls is located in Ontario, Canada and one-third in New York State, United States, the...
along with the comparatively small Bridal Veil Falls
Bridal Veil Falls (Niagara Falls)
The Bridal Veil Falls is the smallest of the three waterfalls that make up Niagara Falls. It is located on the U.S. side ; Luna Island separates it from the American Falls and Goat Island separates it from the Horseshoe Falls. The Bridal Veil Falls faces to the northwest and has a crest 56 feet ...
, which combined form the highest flow rate of any waterfalls in the world and has a vertical drop of more than 165 feet (50 m).