Start and finish at the Col de Picotalen car park (spelled Piquotalen by the IGN), on the D607, south-west of Lacaune.
(S/E) Cross the road with caution, pass a chalet (cross-country skiing) and take a forest track heading south-southeast.
(1) At the fork (stele), follow the signs for Roc des Écus / Belvespré to the left. Climb gently up the side of Puech d'Aussaresses.
(2) At the fork, turn left and follow the GRP® Hautes Terres d'Oc (red and yellow markings) towards Roc des Écus. Climb straight ahead (north-northeast) to the summit (panoramic view of Lacaune).
(3) Return via the same route in the opposite direction to the Col de Picotalen (S/E).