From Toulouse
- exit 16 at Lannemezan, direction Arreau, Col d'Aspin (in often closed winters) and Payolle
- or exit 14 in Tournay direction Bagnères-de-Bigorre, Campan, Sainte-Marie de Campan and Payolle
Coming from Bordeaux, Bayonne: exit 12 or 13 in Tarbes direction Bagneres-de-Bigorre, Campan, Sainte-Marie de Campan and Payolle.