At the crossroads, Rue de Cardède, turn right towards the church and the castle crossing the road D37. In front of the castle of Arros turn left. Cross the road and go straight ahead. Turn left at the “scale” (weighing machine). Before the stop sign, turn right then left, cross the road D936 and follow the road Chemin du Cayrou. Turn left at a washhouse. Turn right in front of the church of Bourdettes. Cross the footbridge of Baudreix and turn right. At the end of the lake, turn right. At the stop sign go straight ahead along the canal, go up and continue straight ahead. At the roundabout of Claracq bridge in Nay, turn right to go back to the start.