Forts, fortifications, arsenals in the Hauts-de-France

Defensive heritage
62164 Ambleteuse

Fort Mahon, also known as Fort Vauban, is a 17th-century military structure located in Ambleteuse (Hauts-de-France), designed by Vauban to defend the Slack estuary. Ranked a historic monument in 1965, it is now managed by an association.

Fortress
80400 Ham

Ham's fortress, built between the 15th and 16th centuries in Ham (Hauts-de-France), is a castle marked by its role as a state prison and its imposing ruins, witness to a turbulent military and political history.

Defensive heritage
02880 Condé-sur-Aisne

Condé Fort, built between 1877 and 1882 near Condé-sur-Aisne (Hauts-de-France), is a military fortification of the Séré de Rivières system, designed to defend Paris after 1870.

Defensive heritage
59000 Lille

The former Fort Saint-Sauveur, in Lille (Nord), is a 17th-century military bastion rebuilt by Vauban, incorporating a chapel classified as a historical monument. It bears witness to urban defensive architecture under Louis XIV.

Fortification
62120 Aire-sur-la-Lys

The fortifications of Aire-sur-la-Lys, built mainly in the 17th century in the Hauts-de-France, form a historical military complex marked by the interventions of Vauban and centuries of defensive transformations between the Middle Ages and 1893.

Fortification
59440 Avesnes-sur-Helpe

The fortifications of Avesnes-sur-Helpe, located in the Hauts-de-France, date from the Middle Ages and were strengthened in the sixteenth and seventeenth centuries by the Spaniards. They include a 12th century dungeon and a partially preserved medieval enclosure.

Fortification
59600 Maubeuge

The fortifications of Maubeuge, built by Vauban in the 17th century in the Hauts-de-France, form a bastioned ensemble protecting this border town on the Sambre. Classified as a Historical Monument, they illustrate French military architecture.

02880 Margival

The W2 fortified camp (Wolfschlucht 2), built in the 1940s in Margival, is a former Hitlerite headquarters, unique in France still intact in 1945. There are 38 books, 22 of which date back to World War II.