Niagara Falls Stops Flowing The flow of water stops completely over both of Niagara's two falls due to an ice jam in the upper river Historical Context Little is known about this photo. Photo InfoDate taken: March 29, 1848 Location taken: Niagara Falls, Ontario & New York, Canada & USA Related Events 1848-03-29 Niagara Falls stops flowing for 30 hours due to an ice jam Historical Photos First Supermarket Miracle of Dunkirk St. Peter's Basilica Cuban Missile Crisis