Starting point: the hamlet of Four à Chaux, south-west of Machecoul.
(S/E) Continue straight ahead, leaving Four à Chaud behind you, and continue straight on until you reach the crossroads at Le Vivier.
(1) When you reach the four roads at Le Vivier, turn right towards La Vacheresse/Plusquepoix (Plusquepois on the map).
(2) Turn left towards Plusquepoix, pass L'Épée, then Le Four à l'Abbé and La Vacheresse, staying on the same road.
(3) Turn left and drive to Le Bout du Monde and back.
(4) Retrace your steps.
(3) Once back, continue straight ahead and follow the charrau (a path through the marshes that turns right towards Les Chagnoux).
(5) Turn right and follow the road to Hucheloup.
(6) Pass this hamlet and continue straight ahead, following the road. Cross the Étier de la Gravelle and pass under a power line.
(7) At the three-way junction, after the hamlet of La Pajotière, turn right towards Le Goulet and continue straight ahead following the road.
(8) At Les Ormeaux, turn right towards the hamlet of Four à Chaux (S/E).

, a few storks, common shelducks, egrets, herons and a few mallards.