By train
TGV to Montélimar, Orange or Avignon.
Bus connections:
Avignon to Orange: www.vaucluse.fr
Orange to Buis les Baronnies: www.vaucluse.fr
Montélimar to Buis les Baronnies: 04 75 51 89 69

By car
From the north: leave the A7 at Montélimar-Sud, then Grignan - Grillon - Valréas - Nyons
From the south-east: leave the A7 at Avignon-Nord then Carpentras - Malaucène - Entrechaux
From the south-west: leave the A9 at Orange then Vaison-la-Romaine - Entrechaux