From Saint-Lary-Soulan, take the D929 towards the hamlet of Fabian in Aragnouet. Turn right to stay on the D929, and head up the Route des Lacs. Just before Lac d’Orédon, turn left to stay on the D929, and continue up to Lac de Cap de Long. Park in the car park next to the lake and its dam.
(S/E) From the car park, head back down the D929 towards Lac d’Orédon.
(1) Just before the Ruisseau d’Estaragne, at a bend, turn right, heading south, onto a clearly visible path marked with a sign for “Val d’Estaragne”. Head up through the mountain pastures, following the stream.
(2) Shortly after passing the first scree slope and just after a large rock outcrop, turn left, heading south, towards the Pic d’Estaragne (do not take the path on the right leading to the Col d’Estaragne). A cairn marks the junction of the two paths. Continue along the clearly visible path, skirting a rocky outcrop which you’ll need to climb over using your hands (a short, easy climb), just before emerging below the Estaragne ridge. Follow the track through the scree on the northern slope of the Pic d’Estaragne.
(3) Once you reach the peak, descend westwards along a winding path. The path is a little crumbly for the first few metres.
(4) Please note: at this junction, you must take the path to the right, which runs below the ridge. Ignore the path at the top of the ridge, otherwise you’ll have to climb back down through very loose scree to reach the correct path! The correct path turns further on and climbs back up towards the ridge. Follow this ridge path, crossing sloping rock slabs which offer good grip in dry weather, all the way to the Pic de Campbieil (elevation 3,173).
(5) Descend south-west along a clearly visible path, though it is a little steep at the start. You’ll reach a fork in the path, about 150 m past Campbieil.
(6) At this junction, continue straight on along the easy ridge, heading towards the third 3,000-metre peak of the day, the Pic de Lentilla. Just before the summit, the terrain is covered with slate-like rocks.
(7) Reach the summit of the Pic de Lentilla. Descend from the peak, heading west, along a winding path through scree, which rejoins the easy ridge, then head due north towards the Gourg de Cap le Long. Throughout the descent, keep the Lac de Cap le Long in sight.
(8) Reach the Gourg de Cap de Long and follow its eastern bank, slightly above the water. The path is always clearly visible.
(9) Reach a junction in a rocky scree slope which joins the classic path leading up to the Pic de Campbieil. Turn left onto this path, continuing northwards.
(10) Reach an unnamed small lake (elevation 2563), which you go round to the east. From here, vegetation begins to reappear. The path alternates between rocky scree and grassy areas. Cross the Ruisseau de Cap de Long and continue north-east.
(11) At the junction, turn right to walk along the side of Lac de Cap de Long back to the car park (S/E).
Suitable for experienced walkers only