To reach the start, coming from Nyons or Montélimar, head towards Bourdeaux on the D538 and turn left onto Chemin des Vitroullières, towards “Les Vitrouillères”. Ignore Chemin de Chamonix on the right, then turn left immediately afterwards and you will soon reach the Vitrouillères car park on Chemin des Plattes.
(S/E) Join Chemin des Vitrouillères, turn left and head for the entrance to the Hutopia campsite.
(1) Continue along the road, go round the barrier and carry on along the track overlooking the campsite until you reach a fork.
(2) Turn right and follow the track, which climbs gradually for 6 km, until you reach a field of lavender.
(3) The slope levels off and then becomes almost flat. Continue until you reach a fork in the track on a left-hand bend, with a path climbing to the right and a forest track descending to the left.
(4) Continue along the track until you come to a small path on the right, after a short climb.
(5) Turn right and you’ll soon reach the chapel.
(6) After enjoying the view, return to the track.
(5) Continue to the right until you reach the telecommunications pylons.
(7) Don’t hesitate to climb to the top of the ridge, behind the pylons, to enjoy a magnificent view. Then return to the junction marked on the path after the access to the chapel.
(4) Head downhill along the forest track to the right and you will soon reach a fork.
(8) Take a sharp right-hand bend and follow the path at the bottom of the valley. When the slope levels out, continue along the path and rejoin the route you have already taken.
(2) Turn right and head for the campsite entrance (S/E).