- In Lourdes, follow the direction Argelès Gazost,
- On the dual carriageway that connects the two towns, take the 2nd exit: Agos-Vidalos.
- Cross Agos, and at the entrance to the next village, Ayzac-Ost, turn right: Ouzous.
- In Ouzous, follow the road to the exit of the village, and turn right, direction Mairie.
- 70 m after the church and the town hall, turn left into Chemin du Buala.
- Climb the path to the second bend, at number 9