This discovery hike offers you to discover the ruins of the castle, the monolithic well and the sarcophagi of Laspeyras. You will continue by the Roman road towards the baptismal tank of the Bains d'en Haut and you will pass near an old shooting range and the dolmen of the Bains d'en bas. The return will be by the forest and by the guided tour of the «Sanatorium from yesterday to today».