Glacier de Pré de Bar

proportion of the massif is covered by glaciers, which include the Mer de Glace and the Miage Glacier – the longest glaciers in France and Italy, respectively

traditionally scaled from the Pré de Madame Carle in the valley of Ailefroide. The normal route climbs the entire length of the Glacier Blanc. This is a much-used

Dora di Ferret, fed by the Pré de Bar Glacier in Val Ferret, and the Dora di Veny, fed by the Miage Glacier and Brenva Glacier in Val Veny. As it crosses

route to the summit (graded PD) is on its southern flank via the Glacier de Pre de Bar, finishing along a short and exposed stretch of the south-east ridge

beneath the Pré de Bar glacier and the towering Grandes Jorasses. The stream running through the valley is the Dora di Ferret (French: Doire de Ferret),