By road: From Paris 832 km; Bordeaux 307 km; Toulouse 158 km; Lyon 688 km. On A6B exit towards Palaiseau, Etampes-Bordeaux-Nantes. Take the A10 and A71 and continue on. On A20 follow signs for Toulouse Limoges. Take A62 and near Toulouse continue on A620 towards Tarbes-Lourdes. On A64 take exit 16-Arreau Lannemezan-Hoche, then D929 to Arreau. D618 and D25 and then to enter Loudenvielle.