This cave offers various climbing sites, divided by difficulty level. It is also suitable for children, and offers an afternoon full of fun.
More information at Lourdes Actu (French) http://lourdes-actu.fr/section/grottes-du-pays-de-lourdes/3439-la-grottes-du-loup
Address 7 Chemin de la Foret, 65100 Lourdes, France
Coordinates 43°5'46.892" N -0°4'2.694" E