Swiss Glaciers Lose over 5% of Ice Volume in 2026 as Heat Waves, Low Winter Snow Accelerate Thaw
Heat waves and low winter snowfall left Swiss glaciers with less protection, and scientists said 2.2 trillion litres of meltwater flowed off them in three months.
- On Thursday, the Swiss Glacier Monitoring Network and the Swiss Commission for Cryosphere Observation reported that Swiss glaciers lost 5.5% of their ice volume in 2026, driven by a record-breaking European heatwave.
- A combination of record summer temperatures and insufficient winter snow drove the "enormous" melting, according to GLAMOS director Matthias Huss. The loss remains slightly below the 2022 record of 6% due to more winter snow cover.
- Scientists estimate Swiss glaciers lost around 2.2 trillion liters of water between July and September alone. Switzerland's largest glacier, Aletsch Glacier, suffered its biggest-ever melt this year, while Glacier de Tsanfleuron lost more than four meters of thickness.
- Known as Europe's "water tower," Swiss glaciers feed major rivers including the Rhine and Danube, but accelerated melt threatens to disrupt hydropower production and agricultural water supplies.
- Huss warned that Alpine glaciers have no chance of long-term survival under current conditions, with warming entirely driven by human emissions. "Now we are in this new world, in this future, where glaciers are just melting away," he said.
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After a summer of successive heatwaves, more than 5% of the ice volume in Switzerland's iconic glaciers vanished in just a few weeks. This record melting is accelerating the breakdown of the surrounding rock.
Swiss glaciers are melting at an alarming rate, scientists warn. Ice loss is occurring even in the highest mountain ranges. While the meltwater is currently helping to mitigate the effects of drought, it may become scarce in the future.
In five years, the Swiss Alps lost nearly 20 percent of their ice due to the effects of climate warming. This is revealed in an annual monitoring report. The glacier tops are melting at an exorbitant rate, scientists told The Guardian. According to the researchers, few people realize how rapidly the degradation is taking place. After a summer of successive heatwaves, glaciers in the Alpine region shrank by 5.5 percent this year.
As a result of the summer this year, around 5.5 percent of the ice volume of the glaciers melted in Switzerland, as figures from the Swiss glacier measuring network show. From there it is said that the year was devastating for the glaciers.
Swiss glaciers lose over 5% of ice volume in 2026
Glaciers in Switzerland lost 5.5 per cent of their ice volume this year, the second-biggest percentage drop on record. It's part of a trend that could have big impacts in a country reliant on hydropower and which acts as the 'water tower of Europe,' feeding its major rivers.
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