The municipality of Wierre Effroy is located in the Pas-de-Calais, in the lands between Calais and Boulogne-sur-Mer.
Wooded area and covered with pastures, he is known for its fountain Sainte Godeleine, people come on pilgrimage every year on the Sunday following July 6, to drink water from this fountain would have said to have the power to heal the wounds of the eyes and throat.