Fort de l'île du Château

Histoire, patrimoine et visite · EURE

Medieval fortification built on the Île du Château (formerly Île d'Andeli), in the Seine, at the foot of Château-Gaillard in Les Andelys. An octagonal fort linked to the riverbank by a wooden bridge, it served as an advanced outwork of Château-Gaillard. Distinct from Château-Gaillard itself (Mérimée IA00017482).