Flight of Five Locks
The Flight of Five Locks on the Erie Canal in Lockport, New York is a staircase lock constructed to lift or lower a canal boat over the Niagara Escarpment in five stages.
The locks are part of the Erie Canalway [National Heritage Corridor].
In Stairway to Empire: Lockport, the Erie Canal, and the Shaping of America,, historian Patrick McGreevy details the construction of the locks. The "Stairway" of McGreeevy's title is the Flight of Five Locks.