Herbiers take direction of Montaigu, after Beaurepaire, turn right at the entrance of Bazoges. Drive about 2 km, turn right and then turn left at the second intersection.
From the axis Nantes / Niort, you have to go through Saint-Fulgent, then direction Bazoges en Paillers (roundabout Super U) after passing the place called the Doulay, take the second road on the left. Make 500m and turn right at the crossroads.