The start is at Les Mazes (1.5km after Verlac on the D503), park in one of the two car parks.
(S/E) Take the D503 north, continue for about 1 km and you will reach a path on the right.
(1) Take this path. Cross the Trans-Aubrac (road) and continue straight ahead on the path to reach another crossroads at an altitude of 1125 metres.
(2) Turn 90° to the right and continue to the entrance of a property and a buron.
(3) Turn right onto an old drovers' road. Continue north-northeast until you reach a road at an elevation of 1270 metres with a chalet on the left.
(4) Turn right onto the descending path to reach the hamlet of Les Vergnes. Continue straight ahead, enter the forest and, at the end of it, join the Trans-Aubrac.
(5) Turn left and follow this road until you reach the junction with the road running parallel to the Mardonenque stream.
(6) Take this path on the right. Follow the stream and you will come to a sign. Go down to the left to reach the stream.
(7) Ford the stream or boralde and continue on to the abandoned hamlet of Réganés.
(8) From the abandoned hamlet of Réganés, continue along the path and cross the Ravin de Levers. Further on, turn right at an angle of about 120°, signposted Les Mazes, and rejoin the Mardonnenque or Saint-Pierre stream.
(9) Cross the ford on Mardonenque again, continue on and reach the Monenque stream.
(10) Cross the Monenque ford. Climb up opposite to reach Les Mazes (S/E).