Emblematic site of the Hauts-de-France region (Nord-Pas-de-Calais-Picardie), this jewel of the Opal Coast is located in the Pas-de-Calais between Boulogne-sur-Mer and Calais. Remarkable for the diversity of its landscapes, the variety of environments and coastal villages, it constitutes the coastal strip of the Regional Natural Park of Caps et Marais d'Opale. Its location at the gates of the Strait of Pas de Calais offers an exceptional view of England.

The Grand Site de France des Deux-Caps covers an area of 7,500 hectares, with a coastal stretch of 23km, brings together 8 municipalities (Sangatte, Escalles, Wissant, Tardinghen, Audinghen, Audresselles, Ambleteuse and Wimereux) which are part of 3 Intercommunalities (Communities of agglomeration of Calaisis and Boulonnais, Communities of communes of La terre des 2 caps) and a little over 17,000 inhabitants !