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
Tikchik River Tikchik River The Tikchik River is a stream, long, in the U.S. state of Alaska. Beginning at Nishlik Lake in the Kuskokwim Mountains, it flows southeast into Tikchik Lake, north of Dillingham. Tikchik Lake empties into the Nuyakuk River, a tributary of the Nushagak River, which flows to Nushagak Bay, an arm of Bristol Bay. Water from Upnuk Lake flows about to join the river downstream of Nishlik Lake. Both lakes and the river lie within Wood-Tikchik State Park, at the largest state park in the United States. "Alaska Fishing" says the river "makes an exciting float...with some potentially good