Coming from Saint-Girons, follow the left bank of the Salat upstream, reach Eycheil and take the road on the right at the roundabout towards Ouerdes and the Sourroque massif. Cross Ouerdes via the first road on the right, continue along the track and park at the hunters’ hut.
(S/E) Take the track leading down to the left.
(1) Turn onto the track on the right and follow it straight on until you reach a crossroads (elevation 759).
(2) Go straight on and reach another junction at a place called Les Mourères.
(3) Turn right and walk for about 100 m.
(4) Take the path on the right to reach the entrance to the Gouffre des Mourères.
(5) Return to the junction.
(4) Resume the route to the right and continue along the most obvious path.
(6) Turn right again to visit the Gouffre Barroti.
(7) Turn back and take the path on the right. Reach a crossroads.
(8) Take a track to the left, reach another junction about 100 m further on and head left again to follow the track, which makes two wide hairpin bends further on before reaching a crossroads.
(9) Leave the track and take the path climbing to the right towards the cliffs, which has a few steps at the start.
(10) Cross a difficult section where a cable is provided and continue along the path.
(11) Head left and walk off-trail towards the viewpoints over the Poudac du Hibou. Go well round the massif to avoid the sharp limestone pavement.
(12) Retrace your steps.
(11) Take the path on the left and head for the Table des Quatre Seigneurs, the day’s highest point at 1,239 m.
(13) Continue along the path opposite and emerge onto a forest track at the Passade de Bouch.
(14) Ignore this road, continue along the path and reach the Col de la Passade.
(15) Carry on to the end of the path, joining a forest track.
(16) Follow it down to the right to Plagnol de la Plagne.
(17) Turn left, walk for about a hundred metres, then leave the track and climb up to the left to reach the viewpoint.
(18) Return to the track and climb up to the left. Continue to the left until you reach another track.
(19) Head left towards the Gouffre Degaudez.
(20) Retrace your steps.
(19) Set off again to the left. Reach a crossroads of tracks.
(21) Take the track on the right and come out onto a forest road.
(22) Head down to the left and return directly to the car park (S/E).