Park at the entrance to the village of Les Revols.
(S/E) Take the wide path that goes around the village, follow the yellow markings and the signs for the summit of Charmant Som. Follow these yellow markings to the summit of Charmant Som.
Reach the Grand Pleynan crossroads.
(1) Turn left and continue the ascent along a pleasant forest path that winds its way up to the small pass.
(2) Turn left. Follow the path that leaves the forest and runs along the ridge through the rocks, known as Les Dalles. Reach the crossroads of a path leading to the summit.
(3) Leave the Chemin des Dalles by turning right to reach the summit through a magnificent meadow, which is full of flowers in spring. You will arrive at the summit of Charmant Som.
(4) Turn around and head towards the chalets, descending through the meadows on the right to avoid the main access road, which can be a bit busy in good weather. Reach the chalets.
(5) Take the path slightly below the road to reach the Oratoire d'Orgeval.
(6) Turn left into the forest via the path that descends rapidly through the woods. The descent is fast and sometimes quite steep, but the forest path remains very pleasant and passable. Join a wide path that follows the riverbed and leads to the hamlet of Les Cottaves.
(7) Turn left onto the small tarmac road and return to the Revols car park (S/E).