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
Inverted river delta Inverted river delta An inverted river delta is special category of river delta in which the narrow end of the delta emerges on the seafront and the wide end is located further inland, so that with respect to the seafront, the locations of both ends of the delta are inverted. River deltas typically form on flat, coastal floodplains: the narrow end located at the point where a river fans out and deposits sediment in a region extending outward into the body of water which the river empties. In the case of an inverted delta, the delta is located at the