From Monêtier-les-Bains, take the D1091 towards Col du Lautaret to Pont de l'Alpe.
Park in the car park on the right-hand side of the road. "Parking spaces are highly sought-after in summer", so set off early.
(S/E) From the car park, walk down the road a few metres, cross the Rif torrent bridge, then take the wide path eastwards under the Aiguillette du Lauzet.
After a few bends, this path heads north and opens out into a wide valley, leading to the hamlet of Alpe du Lauzet.
After passing the hamlet, take the path on the left and cross the bridge.
(1) At the intersection, take the path on the left to the north-west towards the sheepfold (a clearly visible isolated chalet). The path on the right will be used for the return journey.
(2) At the next intersection, just after the Torrent du Plan Chevalier footbridge and before reaching the chalet, take the path on the right to the north-west. This path, which is difficult to follow, climbs up through the pastures.
Continue north-west across the grassy terraces towards a small pass to go around the monolith on the left.
At the small pass, the slope levels out and you come out to the west on a slightly sloping plateau below the south face of Roche Robert.
(3) Take a path on the right, which is initially very faint, towards the cliff.
The path climbs steeply north-northwest, winding its way up to the southwestern ridge of the rock and then running along its western face.
Continue your progress, staying as close as possible to the cliff until you reach its end.
(4) Make a round trip by climbing the ridge for about a hundred metres, on the north-northwest left. Enjoy this better viewpoint (ideal spot for a picnic).
(5) To return, go back to the end of the cliff you left earlier.
(4) Descend to the left into the mountain pasture, heading east, until you reach the Torrent du Plan Chevalier.
(6) Then follow its course downhill, south-southeast, until you reach the bridge you crossed at the start of the hike.
(1) Return to the hamlet of Alpe du Lauzet, then Pont de l'Alpe and the car park via the same route you took on the way up (S/E).