Montville is a commune in the Seine-Maritime department in the Normandy region in north-western France. A small town of forestry farming and l…Montville is a commune in the Seine-Maritime department in the Normandy region in north-western France. A small town of forestry farming and light industry situated some 9 miles north of Rouen at the junction of the D44, D51 and the D155 roads. SNCF operates a TER train service here. Two small rivers meet here, the Clérette and the Cailly.