Access: The route starts from the large car park at the Réallon ski resort at the end of the D609.
(S/E) Take the wide track that climbs north-east and then north-west near the Courtier ski lift.
(1) Pass under the Aigue Noire ski lift and climb up to the place called Sous Font Guillarde.
(2) At the crossroads, turn right and follow the blue markings.
(3) Near a sheepfold, leave the wide path for a much wilder trail (there are still blue markings).
(4) After a short descent, you will find the Font Renarde hut.
After the hut, continue north.
(5) At the next crossroads, turn right towards Vaucluse.
(6) Join theGR®50on the right, heading south-east. Stay on thisGR® trail called "Sentier Panoramique".
(7) Leave theGR® and take a path on the right that leads back to the station and then to the car park (S/E).
In the end, it was 15 km but very easy.