Aiguille de Bionnassay
Edited by:
Massimo Martini
Last Visit: 18/08/2025
Introduction
Description
Information sheet
Top: 4052m
Mountain group: Mount Blanc Massif
First ascent: 28/07/1865
First ascenders: E. N. Buxton, F.C. Grove and R. J. S. MacDonald with guides Jean-Pierre Cachat and Michel Payot
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First winter ascent:
First ascents in winter: