Spézet is a commune in the Finistère department of Brittany in north-western France. Spézet is a rural municipality in east central Finistèr…Spézet is a commune in the Finistère department of Brittany in north-western France. Spézet is a rural municipality in east central Finistère, historically belonging to Cornouaille. It is bounded on the west and north by the river the Aulne and Hyères describing large meanders while at the southeast end of its territory lies Roc'h Toullaëron, which from its height of 318 m is the culmination of the Black Mountains. The village occupies a small hill whose altitude is around 100 meters northwest of the town. Spézet is border by Saint-Hernin to the east, by Gourin to the southeast, by Roudouallec to the south, by Saint-Goazec to the southwest, by Châteauneuf-du-Faou to the west and by Plonévez-du-Faou, Landeleau and Cleden-Poher to the north.