Park in the Vieux Castillon car park just after the pass.
(S/E) Take the path running parallel to the road to reach marker 135.
(1) Continue straight on along the Chemin des Fontanettes towards the Col du Razet to reach marker 136.
(2) Stay on this wide path by turning right. Continue a few metres further along the path that follows it. Climb gradually, passing under a power line. You will then reach a passage between two cliffs.
(3) Here, begin a series of switchbacks to reach the junction at marker 93. Turn right and head for the multi-directional junction at marker 93a at the foot of the Pierre Pointu. Take care here, as there are several large boulders and bunkers.
(4) Take the ridge line to the left to reach Mont Razet and enjoy the superb view from here.
(5) Head back towards the previous junction.
(4) Head left downhill to reach the Col de Roulabre.
(6) Continue the descent to the right to reach the multi-directional junction at Col du Razet, marker 90.
(7) Turn right onto theGR®52, marked in red and white, and arrive at Colla Bassa at marker 95.
(8) Leave theGR®52here and head uphill. You will reach the border, marked by a boundary stone.
(9) Keep to the right, parallel to the border, and further on you will come to another boundary stone and the summit of Monte Gramondo.
(10) Continue along the Sentero Balcone, which is not very clearly visible but passes two crosses on the ridge to reach Punta Renuit.
(11) Turn left at almost 180° and take the Anello del Gramondo trail or AM0 Alpi Mareo. Reach a junction with a track.
(12) Keep left and continue until you reach the border again at the junction with the boundary stone you passed earlier.
(9) Follow the same route as on the way out to return to the Col de Roulabre at marker 91.
(6) Turn right downhill to find a wide track, take it to the left and reach the junction at Baisse de Scuvion at marker 92.
(13) Turn right at a 90° angle and continue downhill. At the junction marked by marker 137, keep to the right and, a few metres further on, rejoin the road at marker 136.
(2) Follow the route taken on the way out in the opposite direction and return to the Vieux Castillon junction (S/E).
