From Oloron Sainte-Marie, take the direction towards Zaragoza, Somport Pass, Bedous (20 km).

At the roundabout before Bedous, take the exit towards Osse en Aspe.

In the village of Osse en Aspe, go around the church and take the road towards La Pierre St Martin (departmental road 442). After 2.7 km, turn right at the sign for “Les Trois Maisons.”.