Dieppe is a coastal commune in the Seine-Maritime department, Normandy, northern France. Dieppe is a seaport on the English Channel at the mouth of the river Arques. A regular ferry service runs to Newhaven in England. Famous for its scallops, Dieppe also has a popular pebbled beach, a 15th-century castle and the churches of Saint-Jacques and Saint-Remi. The mouth of the river Scie lies at Hautot-sur-Mer, directly to the west of Dieppe.