The Betaram Caves are located between Pau and Lourdes, and represent the border between the Atlantic and the High Pyrenees. During a visit of an hour and a half, you will cross a mountain carved by water over the centuries to reach a group of underground caves consisting of limestone concrete of amazing shapes, and after visiting the floor The first of the caves, descends 250 steps from a hole that leads into the underground river, and with 800 meters of rock above you, you can enjoy an amazing boat ride.