In Méaudre, take the road to the Peatland snow stadium and park in the large car park (S/E).
Take the Gros Martel trail (signposted) to the south-west.
(1). Enter the woods and meander gently until you reach a crossroads at a place called Bois des Peatlands.
(2) Turn left heading south onto the path that quickly leads to Gros Martel.
(3). Descend via the same path to return to the previous crossroads.
(2) Turn left heading north onto the forest track, which is used for cross-country skiing in winter. You will arrive at a place called Champ des Narces.
(4) Turn right and return to the car park (S/E).