From Challans take the direction of Beauvoir-sur-Mer (D948).
In the town of Saint-Gervais take the direction Bouin (rue de la Ruée D 59) - Go about 200 m and turn right at the large Bordevert cave/calvaire towards rue de la Ramée.
From the Atlantic coast (Saint-Nazaire - Pornic, etc.) arriving at Bouin, turn left at the traffic light towards Bois de Céné - D21, then about 2 km turn right towards Saint-Gervais D 59
Approximately after 7.6 km, arriving in Saint-Gervais, turn left at the foot of the Brodevert cave/calvaire towards rue de la Ramée.