Access to Pla des Peyres (Plan de las Peiras) is by car from Foix via the D421. The road is very narrow, making it difficult to pass oncoming traffic:caution is advised. Continue past Prat d'Albis: there is plenty of space to park on the Pla.
(S/E) Start uphill (towards the south), following the road first and then the dirt track. Continue to the Col de Touron.
(1) Turn right towards the Sommet de Bazillac and follow the ridge to the Pas de Bazillac.
(2) Continue west to pass slightly south of the Sommet de Bazillac. You will come to a fork at an elevation of 1636 metres.
(3) Continue west on the ridge to Roc Mouché, then reach the nearby Rocher du Batail.
(4) Turn back to the previous fork.
(3) Turn left to reach Picou, where the view of Foix is well worth the detour.
(5) Return to the previous fork.
(3) Retrace your steps to Pla des Peyres (S/E).