Park near the Comella picnic area.
(S/E) Head south-east along the path which leads to the junction at Font de la Rua.
(1) Head up to the left towards the Prat Primer refuge. Follow the left bank of the Riu de Comella at a distance. Reach the junction with the Chemin de l’Avier.
(2) Continue straight ahead, climbing up the track marked with yellow dots. Reach the source of the Tartera Grande.
(3) Cross the stream and continue straight on along the right bank. Alternate between the two banks until you reach the Prat Pimer Refuge. It is situated on a hillock on the right.
(4) Descend from the hillock and take a small path with loose stones; the mountainside slopes down to your right. Reach the hamlet of Obaga de l’Avier and continue westwards along an almost flat path to emerge at the Col de la Caülla.
(5) Head north to reach the Grotte du Rec, hidden behind some trees.
(6) Follow the path marked with yellow dots until you reach another crossroads.
(7) Head down to the right, cross the Riu de l’Arier and, a little further on, you’ll reach the junction with the Chemin de l’Avier.
(2) Turn right and follow the same route as on the way out to return to the car park where you started (S/E).

