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
Steamboats of the Coquille River Steamboats of the Coquille River The Coquille River starts in the Siskiyou National Forest and flows hundreds of miles through the Coquille Valley on its way to the Pacific Ocean. Bandon, Oregon, sits at the mouth of the Coquille River on the Pacific Ocean. Before the era of railroads and later, automobiles, the steamboats on the Coquille River were the major mode of transportation from Bandon to Coquille and Myrtle Point in southern Coos County, Oregon, United States. Jetty construction at the two jetties at the Coquille River entrance allowed ocean-going ships to enter the mouth of the river and