Follow organizers to the Residence Prevost and exit door
At bus stop INRIA, take the Lianes 8 direction Hôpital Pellegrin
Go down at the stop Hôpital Pellegrin
At stop Hôpital Pellegrin, take the Ligne A direction Le Haillan Rostand
Go down at the stop Fontaine d'Arlac
Follow oranizers to the Luchey-Halde castle