To the east of the Saison valley, stretching from Mauléon to Tardets, a series of hills face the Arbailles massif to the west and the imposing wall of the Pyrenees, dominated by the Anie peak to the south. The peak of Erretzü marks the extreme point of this alignment. This position gives it an unobstructed view of the mountains of Bearn and Haute-Soule. The route is very varied. First you walk (...)