Falaise is a commune in the Calvados department in the Normandy region in northwestern France. Falaise lies at the eastern edge of the Armori…Falaise is a commune in the Calvados department in the Normandy region in northwestern France. Falaise lies at the eastern edge of the Armorican Massif, and the town has rocky outcrops on its edges such as the 173 metre high Mount Myrrha.