Park in the car park of the Puyvalador holiday village.
(S/E) From the car park, head east and take the yellow signposted route on the left at the intersection. You are now on the Chemin Vauban.
Stay on the track, which becomes a path, and follow it to the Col des Ares (border between the Pyrénées Orientales and Ariège departments).
(1) Continue along the yellow-marked trail, ignoring the side paths, until you reach a trail junction.
(2) Turn left to join a forest track and the red and yellow markings forthe GRP®®Tourdu Pays du Donezan.
(3) Take theGRP®® on the left. Pass a first car park and join a second car park where you will find the junction leading to the much sought-after Quérigut lake.
(4) Leave theGRP® and follow the yellow markings towards the Étang de Quérigut.
Cross the Prat de l'Étang stream to reach your destination.
(5) Return to your starting point by the same route (S/E).