How tall is Mont Blanc now after it fell two metres?

At the previous measurement in 2021, Mont Blanc was estimated to be 4,807.81 metres high, two metres higher than today.

The roof of the Alps currently measures 4 805.59 metres according to the latest estimate revealed on Thursday 5 October in Chamonix.

This difference can be explained by variations in rainfall over the summer. A phenomenon already observed in the past.

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"Mont Blanc could very well be much higher in two years' time, when the next measurement is taken.said Jean des Garets, President of the Haute-Savoie Chamber of Surveyors, at the press briefing.  

We're collecting data for future generations, we're not here to interpret it, we'll leave that to the scientists.. "

Modelling the ice cap and collecting data

The Haute-Savoie Chamber of Chartered Surveyors has been organising these surveys every two years since 2001.

This makes it the 12th^e edition of this operation, which aims to model the ice cap and collect scientific data on the impact of climate change on the Alpine mountains.

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European glaciers, which are particularly vulnerable to rising temperatures because of their relatively low altitude, lost around a third of their volume between 2000 and 2020, according to data compiled by scientists.

The melting of glaciers in the French Alps during the summer of 2022 has been described as follows "exceptionalrepresenting around 5 to 7 % of the remaining ice mass, according to glaciologists.