Dieppe Leave a Comment / Uncategorized / By admin Dieppe is a commune in the Seine-Maritime department in the region Normandy. From Paris Saint Lazare it takes 2h20 by train with a change in Rouen station. Dieppe was a small fishing settlement around 1030. Church of Saint Remy. The castle was founded in 1188 by King Henry II of England, and was destroyed in 1195 by King Philip II of France.The site was restored in the 14th century. The castle offers a panoramic view over the town and the coast. More to see in Dieppe:The harboursInternational kite festivalDieppe museumChurch Saint RemyHistorical walking tourThe beach