ScienceMont Blanc loses more than a metre in height over a year
Surveyors measured Mont Blanc at 4,807.47 metres above sea level, 1.29 metres below its 2025 height. The summit fluctuates as snow and ice thickness change, and experts cautioned that annual shifts in surface altitude do not necessarily reflect changes in the total volume or mass of ice.
TThe Guardian★★☆☆☆2026-10-14 15:33Original
Mont Blanc loses more than a metre in height over a year
Science