FATMAP difficulty grade
Early start from Albert 1er Hut takes you towards Signal Reilly where crampons, ice axe and ropes come to action.
Walking across Glacier du Tour, there is steeper section towards Col Supérieur du Tour.
Flipping over to Switzerland, below Aiguille Purtscheller, across Col Purtscheller, you get below rocky ridge of Aiguille du Tour.
Last few scrambling moves and you are at 3529m summit at sunrise.
Beautiful day out in the alpine.