Longroy is a commune in the Seine-Maritime department in the Normandy region in northern France. Geography A forestry and farming village situated by the banks of the river Bresle in the Pays de Bray, some east of Dieppe on the D49 at its junction with the D14 road. Longroy-Gamaches station has rail connections to Beauvais and Le Tréport. Population Places of interest The church dating from the nineteenth century. Ruins of a castle. See also Communes of the Seine-Maritime department References Communes of Seine-Maritime