SENTIER DES 4 VALLEES
LA CHAPELLE-LAUNAY
Start : Rue Étienne Chouteau in L'Hermenault (near the Château park)
Signs: yellow (anticlockwise)
Elevation gain: 99 m
The Route du Sel (salt road) has been taking visitors on a canoe trip around the maze of salt marshes in Bretagne Bay for the last