Departure: car park south of Léoncel.
(S/E) Head north, then turn right onto the D199 road towards the Col de la Bataille.
(1) Pass Bérangeon (DDE premises) and take the path on the right (GR® 93) south-east.
(2) At the junction ofthe GR®93and 9, the two paths run parallel for about 30 metres. Stay on theGR®93heading east and climb up to the Pas du Grand Échaillon at about 800 metres.
::3: :Once you reach Pas du Grand Échaillon, take the path on the left and pass between the cistern and the sheepfold.
(4) A few metres further on, turn right and continue on theGR®93to the D199. Continue for about 100 metres to the right.
(5) Turn right to climb up the Ravin de Pissenible via the track of the same name and continue to the D199.
(6) Turn right, heading due east, and follow the road.
(7) Before the tunnel, follow the clearly visible path that passes over it, then rejoin the road to reach the Col de la Bataille.
(8) Return to the path coming from the Combe de Pissenible by turning right at the tunnel.
(6) Continue along the D199 until you reach a grassy path on the right after the right-hand bend in the road.
(9) Descend the path for about 1.1 km to reach the Route Forestière de Gampaloux.
(10) Follow this track for about 400m until you reach a right-hand bend and the junction of the path that descends to the left, due north. Follow this path.
(11) Cross the forest track and take the path that descends opposite.
(12) Take the Gampaloux forest track on the right, heading north for about 280 metres.
(13) At the crossroads, turn left for about 20 metres, then head towards the ruins of Gampaloux. Pass between the buildings and join the path behind them.
(14) Take the path on the left, heading west until you reach a forest track.
(15) Cross the track and take the path about 20 metres to the right. Head south-west, cross a track and reach the Col du Lion.
(16) At the pass, take the path that descends into the forest and follow it to Grand Échaillon. Walk along the right side of the building and turn left onto the path that passes behind it. Join a track.
(4) Follow it to the right, pass between the cistern and the sheepfold seen on the way up, then join the path that descends to Pas de l'Échaillon.
(3) Leave the path you took on the way up and continue straight ahead to follow the path that continues along the edge of the woods and then enters them, descending gradually. At the edge of the woods, continue for about 300 metres and join theGR®9path that branches off to the right, 100 metres before the crossroads.
(17) Turn right onto theGR®9and rejoin the path taken at the start under the Pas de l'Échaillon.
(2) Return to Léoncel via the same route you took on the way there (S/E).