 However, the southern arm is about to retreat over the boundary between the lower basin and upper bowl, which will separate the glacier into distinct lower and upper sections.Currently the combined tongue of ice flows from its junction, descending another good 200 metres in height, and ends beneath the northern foothills of Mont Pelvoux.It is about 400 metres wide at this point and a high and steep lateral moraine towers over it on the left-hand (northern) side, across which a climbing path runs from the "Pré de Madame Carle", above the village of Ailefroide.