Park at the Vallon des Agasses car park.
(S/E) Walk up to the pass, known as Aire des Mascas, then take the path that branches off to the left (west) towards Les Crêtes and Les Cours.
(1) At the fork, keep right on the path. Beautiful view of the Monts du Vaucluse and the Pre-Alps. Join the DFCI track and follow it to the right around the bend.
(2) Take the marked path that climbs to the right: a beautiful crossing of undergrowth and cedar forest. Continue through the undergrowth until you reach the sign: Coteau de la Combe, where you will join the track and a cistern.
(3) Opposite and slightly to the right, take the marked GR® path that climbs to the summit of Coteau de la Combe (1,038 m).
(4) Beautiful views on both sides of the Luberon. Turn back.
(3) Continue along the track opposite, which offers views of the Vallée d'Aigues and the Vallée de la Durance. Depending on the weather, you may be able to see the Étang de Berre in the distance and even the sea.
(2) Stay on the track until you come to a narrower path on the right with ayellow PR®sign on a tree.
(5) Follow this path through the woods, which begins to descend after a bend, and continue to the second fork on the right (marked with a yellow PR® sign and a yellow cross opposite).
(6) Turn right onto this path, which gradually becomes a trail that descends into the Vallon des Roumis. Follow it to the bottom, where you will see a sign for Les Roumis.
(7) Turn left and walk back up the GR®, parallel to the road above, to the car park (S/E).