Start and finish at the airfield de la Théau. Drive along the D924 in the direction of Ménétréol-sur-Sauldre. 4 kilometres further on, turn right on to the path which leads to the airfield (l'Aérodrome de la Théau) and leave your car there. (The airfied is signposted). Come back on yourself towards the D924 and just before you get there, you will see the yellow and red signposts for the GR de Pays.