


Trail marking: red-yellow
Set off to the heart of the Audomarois, part of the Caps et Marais d'Opale Regional Nature Park, to meet its people, visit its heritage and observe nature through the department's sensitive natural areas.6 stages through the Audomarois, a land of many riches:Stage 1 (21 km): from Saint-Omer to EperlecquesSightseeing along the way: Saint-Omer, a town steeped in history and home to the marshes, the marshes of Tilques, Serques and Houlle...Stage 2 (22km): from Eperlecques to Tournehem-sur-la-HemEperlecques forest and blokhaus museum, mills...Stage 3 (22km): from Tournehem-sur-la-Hem to LumbresTournehem forest, Acquin-Westbécourt RNN...Stage 4 (20km): Lumbres to WizernesTourist train and the Aa valley, the Poudrerie d'Esquerdes, the Pihem ravine...Stage 5 (23km): from Wizernes to ArquesThe cupola at Helfaut, the RN on the Landes plateau...Stage 6 (18km): from Arques to Saint-OmerThe Cristallerie d'Arques, the forest of Clairmarais, the RNN of pond du Romelaëre...
Les portions d'itinéraires ne faisant pas l'objet d'une inscription au Plan Départemental des Itinéraires de Promenade et de Randonnée (PDIPR) du Département du Pas-de-Calais sont représentées à titre indicatif.
Saint-Omer station
Saint-Omer station