From La Rochelle, leave the RN 137 for Chatelaillon.
1st roundabout: 2nd exit Av. de Strassbourg.
Second roundabout: second exit Av. de l'Hippodrome.
3rd roundabout: 2nd exit Bd Clemenceau.
All right, all right.
Third roundabout: second exit rue Georges Michaud.
First left, rue Rocade