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
Sarugaishi River just north of Warabi Pass and empties into the Sarugaishi River near the mouth of the Hayase. The Rainai is dammed in two places for Tono's drinking water supply. The Yamaya forms in the area of Ko Pass. Japan National Route 396 follows the course of the river for about half of its length. The Miyamori enters just north of Tase Dam. Sarugaishi River The is a river in Iwate Prefecture, Japan. The Sarugaishi River rises in the Kitakami Mountains just south of Mt. Yakushi in Tōno and empties into the Kitakami River in Hanamaki. The Tase Dam is situated