Arriving generally from Lyon take the direction Bourg en Bresse Geneva (A 42) after approximately 12 km take exit No. 7 (Meximieux Pérouges) after the toll straight ahead for approximately 10 km then arriving at the roundabout turn left towards from Lagnieu, after passing Posafol turn right for around 3 km then left, at the roundabout turn right (pont de Lagnieu) follow the N 1075 towards Grenoble for around 10 km then turn left (pont de Sault-Brénaz) then Serrières de Bd