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
Ohlanga River Ohlanga River The Ohlanga River is a river in KwaZulu-Natal, South Africa, which empties into the Indian Ocean just north of Umhlanga, KwaZulu-Natal, north of Durban. The river has extensive reed beds in the estuary at its mouth, which is only 7 km further southwest from the mouth of the Mdloti River. Presently this river is part of the Mvoti to Umzimkulu Water Management Area. At the river's mouth, there is a lagoon, surrounded by the Umhlanga Conservancy. This area includes a Umhlanga Lagoon Nature Reserve, and a waste treatment works which is publicly accessible. This area contains bushbuck, blue