Le Héron is a former commune in the Seine-Maritime department in the Normandy region in north-western France. On 1 January 2025, it wa…Le Héron is a former commune in the Seine-Maritime department in the Normandy region in north-western France. On 1 January 2025, it was merged into the new commune of Morville-le-Héron. A small forestry and farming village situated at the confluence of the small Héron river with the Andelle, some 16 miles east of Rouen at the junction of the D 13, D 46 and the D 62 roads.