How is Niagara Falls is receding?

Niagara falls is receding due to the erosion of the soft rock at its base, primarily limestone and dolostone, caused by the constant flow of water. This erosion results in the gradual retreat of the falls upstream at a rate of approximately 3 to 4 feet per year. Human activities, such as damming and water diversion for hydroelectric power, have also affected the flow rate, influencing the rate of erosion. Over thousands of years, this process has significantly shaped the landscape of the region.