Park at Place du Sandalou.
(S/E) Turn right out of the car park and head towards the fort. Cross the inner courtyard and exit through the east gate. Take the small road to the farm for 500m.
(2) Pass to the left of the livestock buildings. Climb up the side of the hill on a dirt track that once served the terraces.
Fork left at the sign for the fort. Turn right and continue for 400 m until you reach the junction with the private road to the Tour de Masse (beautiful views of the tower, a former monastic barn and a tower with machicolations dating from 1453, not open to visitors).
(3) At the crossroads (note the calvary), turn left onto a dirt track lined with box trees. Descend into the valley. Continue left through the box trees and climb up to the small road to Carbonnelle. Follow it to the left for 50 m. Take a wide farm track on the left for 500 m. Reach the crossroads at an altitude of 501 m.
(4) Keep right. Descend along the hillside for 1.5 km through the old terraces overlooking the valley (beautiful views of Espalion and the castle of Calmont-d'Olt). You will reach the Ferrandès farm.
(5) Go between the barn and a house on a narrow sunken path for 300 m. You will come out onto a small service road. Follow it to the right until the first crossroads. Turn 90° left onto the small road running alongside the terraces and the cemetery for the car park (S/E).