Departure from Place des Marronniers in Authon-du-Perche. Parking is available on the square.
(S/E) Pass in front of the statue of Admiral Battet, go down to Place du Pont des Bordes and head towards Soizé until you reach No. 19, Rue Jean Mermoz.
(1) Leave the D5 by turning left onto the dirt track. Continue to the right, following the edge of the forest to the tarmac access road to the Houx farm, then turn right again.
(2) At the D5, turn left with caution. At the bottom of the hill, take the path on the left to Maison Blanche.
(3) At the D338.7, cross the road towards La Guillanguillère, then pass near Le Buisson, continuing straight ahead.
(4) At the D112.4, turn right towards Soizé.
(5) In Le Saulce, take the first road on the left, D338.6, and join thefirst path on the right.
(6) Follow this road and turn right at Petit Beaulieu.
(7) At Maisons Rouges, turn left, then, just before the "Give way at 150 m" sign, turn right onto the path between the fields.
(8) At the D5, turn right carefully and continue to Soizé.
(9) After the sign marking the entrance to the town, take the first path on the left. Continue straight ahead, then turn right onto the D338.
(10) Take the D126 on the right and at La Tuilerie, turn left onto the path between the houses. At the edge of the woods, turn right and descend carefully.
(11) At Les Trouintières, continue left on the D338.7 to Roussigny, following the same road.
(12) Take the rightmost path into the woods. Continue along the central lane (the other paths are private).
(13) At the crossroads, take the D338 on the right, then at the next junction with a cross, turn left and stay on this path, ignoring the paths on the right and left.
(14) At Les Petites Loges, turn onto the path on the left. At the next crossroads, take the path on the right and follow it to the D13. Turn right onto this road.
(15) Before entering Authon, turn right onto Chemin de la Binetterie, then left onto Rue du Haut Parc. Continue left onto Rue de la Croix Boissée to reach Place des Marronniers (S/E).