From the Montélimar motorway, exit 18 towards Aubenas, after the Yellow Bridge (Saint Didier Sous Aubenas) take the roundabout (direction bus station) chemin de laplaine, rue Paul Sabaton, cross the detour bridge chemin Ste Croix and following the speed bump, the Chemin des Lavenders at n° 17.
You can also come from Valence and take the direction Privas, the Col de l'Escrinet and Aubenas towards the bus station...