This trail number 66 will take you onto agricultural paths, offering you very nice viewpoints over the village of Thin-le-Moutier and its valley. At the starting sign, head towards "Rue de le Place". At the intersection, turn left onto "Rue du Pierge" and continue straight for 500m. Turn right and continue straight for 1.5km to climb "Rue de Marlemont" then "Côte du Sart". When the road turns into a path, turn left and then follow the woods of Librecy. Upon reaching the crossing of the path "Le chêne de Signy", turn left and then immediately right. Then continue for 900m to reach the departmental road. Take this road for 500m then turn left to join the "ferme de Vaux Gravier". Upon arriving at the road leading to this farm, turn left again. Continue straight for 850m until the intersection. Turn right, follow the woods and follow the grassy path that leads to an agricultural road. Then turn left and continue for 600m. At the intersection, turn left again to descend towards the village of Thin-le-Moutier.