At Campsite Les Galets de la Mollière in Mollière d'Aval (Somme) camping costs as little as €18,- per night during low season with CampingCard ACSI. At one of the 36 touring pitches you will get a discounted rate during the period . At this campsite you can not only use your CampingCard ACSI for inexpensive camping, you can also use your ACSI Club ID (as an alternative ID).
The campsite is located near a lovely shingle and sandy beach (no swimming), close to the dunes and pine forests. The campsite has a heated swimming pool. Kite-surfing possible in the bay when wind is good. Cayeux-sur-Mer is worth a visit, lovely beach.