From Toulouse, take the A64 highway towards Tarbes.
Take exit 20, and then follow the D117 road to Saint-Girons.
At the roundabout at the entrance of Saint-Girons, turn right to Moulis (first exit).
At the roundabout at the entrance of Moulis, take the second exit to the centre of the village and follow the "CNRS” signs.
Travelling from Toulouse to Moulis takes between 1h15 and 1h30.