Park in the car park at La Roche Écroulée, at the end of the D947 after passing the village of Ristolas.
(S/E) Take the trail towards the Petit Belvédère du Mont Viso to the south-east. Cross two streams to reach this viewpoint.
(1) Take the path on the left and follow a very short descent to reach Le Guil.
(2) Cross it and climb back up to reach the road closed to traffic.
(3) Take it on the left to reach the Roche Écroulée car park (S/E).