Wismes is a commune in the Pas-de-Calais department, region of Hauts-de-France, northern France. Wismes is located twelve miles southwe…Wismes is a commune in the Pas-de-Calais department, region of Hauts-de-France, northern France. Wismes is located twelve miles southwest of Saint-Omer, at the D132 and D205 road junction, comprising the villages and hamlets of Wismes, Cantemerle, Fourdebecques, Marival, Rietz-Mottu, Saint-Pierre-Wismes and Salvecques.