This three-day route starts at Le Boréon (Saint-Martin-Vésubie). Long-stay parking is available just past the lake, near the Boréon visitor centre.
(S) From the car park, follow the Boréon along its left bank until you reach the first bridge over the stream.
(1) Turn left towards La Vacherie de Salèse (signposted). Walk for about 250 m heading west and join theGR®52at the first junction.
(2) Now follow theGR®52Anorth-eastwards. Pass the Lodge du Boréon and marker 371, then continue to marker 377.
(3) Leave the Chemin du Vallon des Erps on your left and stay on theGR®52, turning south. Pass marker posts 379 and 380 to reach the Refuge Saladin (private).
(4) Continue south on theGR®52until you cross the road leading to the Vacherie du Boréon.
(5) At the junction, turn left, heading due east, and, still on theGR®52, climb gradually northwards to reach the Peïrastrèche Bridge.
(6) Cross the Boréon and stay on theGR®52until you reach the Gias de Peïrastrèche.
(7) Leave the direct path to the Refuge de Cougourde on your left. Head for Lac de Trécolpas. Leave the right bank of the Boréon via a small bridge at marker 425. At marker 427, start looking for a suitable spot for a lunch break by the lake.
(8) From the lake, retrace your steps back to marker 427. Turn off northwards and follow the path leading to the Refuge de Cougourde (E).