Description : A boat on its way to Fort la Latte. Fort la Latte, or the Castle of the Rock Goyon, is a castle in the northeast of Brittany, about 4 kilometres southeast of Cap Fréhel and about 35 kilometres west of Saint-Malo, in the commune of Plévenon, Côtes-d'Armor. It is a famous tourist attraction of the bay of Saint-Malo. This impressive castle was built on a small piece of land at the Bay of the Fresnay in the 14th century. Brittany, France.