⇐ ⇑ ⇒ HI-RES Saturday 20th: unsuccessful attempt on Pointe Isabelle (3761 m) Looking down the Glacier de Talèfre to the Glacier du Tacul, from below Pointe Isabelle. The Vallée Blanche rises up on the far side of the Glacier du Tacul; the high snowy summit on the left is the Mont Blanc.