Take the motorway, exit Montélimar Sud...in the direction of Nyons
Arrival by Nyons, go in the direction of Vaison la Romaine, cross Mirabel aux Baronnies, about three km turn right towards Piégon, 1 km take the path on the left... you have arrived
Arrival via Vaison la Romaine...7 km away, take the road to Piégon on the right...1 km after, take the path on the left