Discovery of the Hotel de Bernes de Longvilliers, mansion became residence of the sub-prefects of Montreuil-sur-Mer
30min | Free | guided tour|Limited gauge | Appointment: 6 rue de la Chaîne | reservation recommended on 03 21 06 04 27 or accueil@destinationmontreuilsurmer.com | animated by the Service d'Animation et de Valorisation du Patrimoine with the support of the Sub-prefecture of Montreuil-sur-Mer