Access:
From Paris: By A10: to Bordeaux, then A62 to Langon, A65 towards Pau, A64 Exit 11, then D817 towards Lourdes. Cross Lourdes and take D914 then D821 towards Argelès Gazost.
By A20: A10 to Orléans then A20 to Toulouse. Cross Toulouse and take A64 to Tarbes Ouest. N21 towards Lourdes. Cross Lourdes and take D914 then D821 towards Argelès Gazost.