With its 19 combat blocks and its 10 km galleries, "L’ouvrage du Hackenberg" is the the Maginot Line giant. Public discovers origin installations in perfect condition of operation, an electric factory and generators in operating condition, rooms reconstituted with identical and an impressive military museum. With the guide, visit continues on small vintage train which transports visitors towards the combat blocks.

"L’ouvrage du Hackenberg" is one of the rare fortifications having on its tops, a walking tour which enables you to admire the tops of these 19 combat blocks while forwarding by the 3 Mur Antichar of 800 meters length and 8 meters in height, a single curiosity in Lorraine.