Departure from the hamlet of Ubac. Park at the side of the road at the bottom of the hamlet, opposite the leisure area and below the cross-country ski centre.
(S/E) Opposite the cross-country skiing centre, turn right and follow the Route de l'Ubac. Pass the chapel, then the hotel-restaurant and continue along the track until you reach the fork after the bridge over the Torrent du Pentiq.
(1) Continue along the track, climbing to the right, until you reach the next fork.
(2) Continue straight ahead and enter the narrow valley. Cross the footbridge over the torrent, then continue along the path on the left bank.
(3) At the water intake, continue along a track and you will soon reach a fork.
(4) Turn left, cross afirst stream (Torrent des Muandes) at the ford, then take the footbridge over thesecond stream (Torrent de Prentiq) and reach the Chalets de Prentiq.
(5) Just after, leave the return path in front of you and turn right. Pass at the foot of a cross, follow the ruins of the hamlet between two walls, then turn right. Continue along the poorly marked path at the bottom of the valley until you reach the confluence with a stream on your right.
(6) Follow the path that veers slightly to the right, locate the roof of the hut on the promontory after the stream, pass below it and continue at the foot of the slope with the gravel deposit area on your left until you reach a fork.
(7) Take the path, which turns sharply to the right, and quickly reach the Cabane du Sellar.
(8) After enjoying the view, descend via the same route you took on the way up to the Chalets de Prentiq.
(5) Continue right on the access track to the chalets and rejoin the route you took earlier.
(2) Continue downhill to the right until you reach the bridge over the stream.
(1) Ignore it and continue on the track opposite until you reach the road.
(9) Turn left and join the cross-country ski centre (S/E).