Coming from  the A7 motorway:

Exit A7 exit N°24 Avignon-Sud
Follow road to Apt, and when in Apt, follow signs for Sisteron( D900).
Do NOT follow the first signs to Viens, but follow road and turn left past Saint-Martin de Castillon, following signs for Viens/Gorges d’Oppedete.
Follow this narrow road (D33) until you see the impressive weeping willow-tree on your lef tat the entrance of the hamlet of St Paul. Turn left and drive up the single lane, where you will find the Bergerie next to the chapel (which is illuminated at night).

 Coming from  the A51 motorway:

Take exit N° 18 at Manosque ; follow the signs for Céreste ( D907). Follow this road and signs for Céreste as you get to the road 900.
2 km past Céreste, turn right and follow the road to Viens/Gorges d’Oppedette.
Follow this narrow road (D33) until you see the impressive weeping willow-tree at the entrance of the hamlet of St Paul. Turn left and drive up the unique lane, where you will find the Bergerie next to the chapel (which is illuminated at night).