way to the Sir Adam Beck Hydroelectric Generating Stations in Queenston. It drains an area of . The International Control Dam, a weir in the Niagara River, causes the Welland River to reverse its direction twice a day when the flow of water over the Niagara Falls is reduced overnight and the water heads back up the river as far back as Wellandport. When the water flow is restored, the water direction of the Welland River changes once again to flow towards the Niagara River. See also List of rivers of Ontario References External links Niagara Peninsula Conservation Authority Rivers of the Regional Municipality of Niagara Welland