It's the normal route.
In the road of col du Granon you must becareful in the last curves to reach the trailhead in a big curve, generally with a few of cars. You see the small yellow signals of path. It's Bergerie St Joseph and you can read a signal with "Le Grand Area 2h" and you see the peak in left side.
You follow the path in the first section only walking until you can turn to left to reach the col between Petit and Grand Area surroundig of nice aiguilles. You walk now to right bordering the aiguilles to another col ascending the last ramp to the shoulder and finally the summit. The panorama is awesone.
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