Seine Commercial craft (barges and push-tows) can use the river from Marcilly-sur-Seine, to its mouth. At Paris, there are 37 bridges. The river is only above sea level from its mouth, making it slow flowing and thus easily navigable. The Seine Maritime, from the English Channel at Le Havre to Rouen, is the only portion of the Seine used by ocean-going craft. The tidal section of the Seine Maritime is followed by a canalized section ("Basse Seine") with four large multiple locks until the mouth of the Oise at Conflans-Sainte-Honorine (170 km). Smaller locks at Bougival and at Suresnes lift the
6th Airborne Division advance to the River Seine 6th Airborne Division advance to the River Seine The 6th Airborne Division advance to the River Seine occurred in August 1944, in the later stages of the Battle of Normandy, following the German Army's defeat in the Falaise Pocket, during the Second World War. The British 6th Airborne Division, under the command of Major-General Richard Nelson Gale, was one of the first Allied units to arrive in Normandy on D-Day, 6 June 1944, and successfully secured the left flank of the invasion zone. Resisting efforts to dislodge them by the combined efforts of two infantry and one panzer division, a