Donjons, towers, citadels and bastions in Pas-de-Calais

62400 Béthune

The bastion Saint-Pry, built between the late 15th and early 16th centuries, is a military work located in Bethune, Hauts-de-France. Ranked a Historical Monument, it bears witness to late medieval defensive architecture.

62610 Ardres

The Condette bastion, also known as the Royal bastion, is a 16th-century military work in Ardres, Hauts-de-France, representing a transition between medieval fortifications and modern bastions.

62120 Aire-sur-la-Lys

The bastion of Beaulieu, at Aire-sur-la-Lys (Hauts-de-France), is an ancient 17th-century water gate integrated into the fortified enclosure, controlling the entrance of the waters of the Lys in town.

62000 Achicourt

The citadel of Arras, built by Vauban in the 17th century in Achicourt, is a pentagonal fortress classified at UNESCO, symbol of French military architecture and place of memory of the Resistance.

Tower
62400 Béthune

The Saint-Ignace Tower is a fortified artillery tower from the 14th and 17th centuries, located in Bethune in the Hauts-de-France, former powder-box and vestige of urban fortifications.

Donjons
62123 Bailleulmont

The dungeon and its mound of Bailleulmont, medieval remains of the 13th century, dominate the village in the Hauts-de-France. These classified ruins testify to the defensive architecture of the time.

Castle
62140 Fressin

The castle of Fressin, built in the 15th century in Fressin (Pas-de-Calais), is an ancient medieval fortress of which only remains ruins classified as historical monuments, bearing witness to Burgundy military architecture.

Citadels
62170 Montreuil-sur-Mer

The citadel of Montreuil-sur-Mer, built from the 13th century and rebuilt until the 20th century, is a pre-Vauban royal fortress overlooking the Canche Valley in the Hauts-de-France. This classified site combines medieval and bastioned military architecture, demonstrating its strategic border role between Ponthieu and Boulonnais.