Depart from the hamlet of Le Château, at an altitude of 702 m. Climb up to the village of Galey, then continue along the small road on the southern side of the valley towards the Horque Pass (908 m) and Escarchein, being sure to take advantage of the view over the French Pyrenees. Continue along the Way of Saint James GR 78 path, through the beech forest towards Portet-d'Aspet (850 m). Take a break at the Bistrot de Pays, then return via the beech forest on the northern side of the valley, past the villages of Saint-Lary (687 m) and Augirein (629 m), before the final climb up to the starting point.