Durdent (river) Durdent (river) The river Durdent is one of the many small coastal rivers that flow from the plateau of the Pays de Caux into the English Channel. The river rises just northwest of Yvetot, near Héricourt-en-Caux, at the meeting of the two streams, the Saint-Denis and the Saint-Riquier, then takes a north-northwest route, typical of the rivers of the Seine-Maritime department. It passes through the villages of Robertot, Sommesnil, Oherville, Le Hanouard, Clasville, Grainville-la-Teinturière, Cany-Barville, Vittefleur and Paluel and empties into the English Channel at Veulettes-sur-Mer. In earlier times, it powered many watermills along its course. The Durdent valley is
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