Niagara Falls is the collective name for three waterfalls that straddle the international border between Canada and the United States; more specifically, between the province of Ontario and the state of New York.It is a large freshwater lake in the world, the combination of 5. They call as the the Great Lakes.
Niagara Falls is the boundary between Lake Erie and Lake Ontario. The water level in the lake is different It causes a waterfall with plenty of water until the Niagara Falls.
Niagara Falls consists American Falls and Canada Falls.And the two waterfalls are separated by an island called Goat Island.