(S) Leave the refuge via theGRP® La volta a Andorra, which heads north-east, climbing slightly, then due east along the hillside to reach the start of the ridge (2,474m).
(1) Staying on theGRP®, follow the ridge due north, pass the Pic del Clot del Cavall, then veer north-west and finally west to reach a small pass below the Pic de la Burna.
(2) Just before the small pass, the path descends due north into a stony cirque to reach, 300m lower down, the first lake (2296m) of the Estanys de l'Angonella (Lac de Mes Avall).
(3) Go round it to the right, leaving theGRP® La volta a Andorra which heads north-east, and continue along the path due west to reach the second lake (Llac del Mig), which you go round to the left, then the third (Llac de Mes Amunt) at 2,438 m.
(4) Go round it to the right (east) then head straight up the steep north-facing slope to reach the small pass (2,715 m) situated between Pic de Cataperdis (to the west) and Pic d’Arcalis (to the east).
(5) Descend due north then veer left (north-west) to reach a clearly visible track. Do not follow this track but turn left onto the west-facing path leading to the nearby Port de Rat.
(6) Head down due west then north-west along a well-marked path that runs alongside the Ruisseau de Rat, to join the track at the bottom of the Ruisseau de Soulcem valley.
(7) Follow the track and a small path alternately along the Ruisseau de Soulcem to reach the car park (E).