 In 1853, the present fort was built.The place of the last fighting in 1940, it was reinforced by the Germans in 1943 with a battery located on the hillside overlooking the harbour, below the fort.Composed of four casemates for guns and a position for the direction of firing, with several tunnels and access dug into the rock, for the Germans it became the strong point of the "fortresse de Cherbourg" and of the Atlantic Wall.