Ÿou can see the various glaciers still present around the valley which include, from left to right, the glacier of the Isère springs (cut in 2 by the ridge of the Grande Aiguille) and the glacier of Gros Caval. Two others are hidden from your point of view, those being the Pers glacier (cut in 3 parts) and the Col Pers. The IGN map Top 25 n ° 3633ET 2008 edition shows the glacial retreat between 1975 and 2006. It is illustrated in yellow.