Mont Blanc, the ‘roof of Europe’, loses more than a metre of height in a year — SkimNews
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- Mont Blanc was measured at 4,807.47 metres, down 1.29 metres from 2025, by chartered surveyors from the Union Nationale des Géomètres-Experts and the Ordre des Géomètres-Experts, who have tracked the peak since 2001.
- The summit sits 3.43 metres below its 2007 high of 4,810.90 metres but is 1.88 metres taller than its 2023 recent low, underscoring the volatility of the snow and ice cap.
- UNGE cautioned that year-to-year summit shifts don't track ice-mass changes and don't contradict documented Alpine glacier retreat, since surface altitude and total ice volume are distinct measures.
- Jean des Garets, president of the Haute-Savoie chamber of surveyors and the expedition leader, said climate change 'for the moment' doesn't appear to hit above 4,000 metres — but the lower-altitude Tête-Rousse glacier has melted so visibly that hikers now cross a stream where it once was.
- Swiss glaciologists warned of an 'explosion of melt rates' after confirming one-fifth of the country's ice disappeared in five years and 5.5% of glacier volume was lost between 2025 and 2026.
Why it matters: The survey reveals a paradox: Mont Blanc's summit rose 1.88m from its 2023 low but remains 3.43m below its 2007 peak, while Swiss glaciers lost 5.5% of volume in a single year. The experts' caution that summit height doesn't equal ice mass underlines why headline-grabbing peak numbers can mask faster systemic loss across the Alps.
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