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 and prepare to return to England. In nine days of fighting they had advanced , despite, as the divisional commander Major-General Gale put it, his infantry units being "quite inadequately equipped for a rapid pursuit," captured of German held territory, and took more than 1,000 German prisoners. Since landing on 6 June, the division's casualties were 4,457, of which 821 were killed, 2,709 wounded and 927 missing. The division was withdrawn from France, and embarked for England at the beginning of September. 6th Airborne Division advance to the River Seine The 6th Airborne Division advance to the River Seine occurred