Park in the car park at the Chapelle de Prodin.
(S/E) Take the forest road that heads east into the forest until you reach a Y-shaped crossroads.
(1) Take the path on the right and climb fairly steeply for 1 km to reach the Refuge de la Grande Montagne.
(2) Descend towards the stream and take the steep path opposite the Grands Moulins, which quickly joins the Refuge des Plattières.
(3). Climb behind this refuge to reach the Col de la Perche.
(4) Descend opposite towards the Arbarètan chalet, where you will find a crossroads of paths.
(5) Turn left to reach the Col d'Albarètan with the Lac des Grenouilles.
(6) Descend to the left to reach the Refuge du Plan.
(7) Take the forest track that runs along the ridge of the Gande Montagne de Presle to reach the Rocher de la Croix.
(8) Continue on and return to the initial crossroads you passed on the way there.
(1) Retrace your steps in the opposite direction to return to the Chapelle de Prodin car park (S/E).
