Pass through the village of Saint-Jean-Montclar and follow the D207. 1 km from Seyne, turn left towards the hamlet of Saint-Pons. There, you will find signs for the track leading to the Col Bas car park. This track is about 3 km long but is in good condition.
(S/E) Go to the end of the car park and head right to rejoin the track. Cross it and continue to the right, climbing gently diagonally.
(1) Take the small shortcut on the left to join a narrower path, which you should follow, turning left again. Reach Col Bas.
(2) Continue in the same direction.
(3) Head left and reach a crossroads (elevation 2117m).
(4) Head straight ahead, pass under the Lacs chairlift, then turn left to go round Lac Noir, skirting it on the left.
(5) Continue eastwards towards Lac du Milieu and reach a junction directly below the Dormillouse ski lift.
(6) Head to the right, follow the ski lift departure point and continue, passing under the Lacs chairlift.
(7) Take the hairpin bend to the right and return to the junction you passed on the way up.
(4) Turn left and follow the ascent route in the opposite direction to return to Col Bas and descend to the car park (S/E).