Place of cult for numerous pilgrims of Saint-Jacques de Compostelle, the crypt of Hagetmau was made for the preservation and the veneration of the relics of Saint-Girons.
It is accessible by 2 lateral stairs, built in the thickness of the wall. In the middle, 4 marble columns surround the ground, slightly hightened, where was burried Saint-Girons.
14 capitals are classified Historic Monuments (MH).
During the low-season, you have to contact the city hall to visit this site.