In 2026, France's Mont Blanc massif experienced a record 450 rockfalls due to extreme heat and thawing permafrost. This alarming trend, surpassing the previous record of 300 rockfalls in 2022, has raised safety concerns for mountaineers. Experts attribute the increase in geological instability to climate change, urging climbers to remain vigilant as the risk of rockfalls continues.
We’ll perform a deep-dive analysis of all sources and publicly available external materials, then prepare a structured timeline of events, an in-depth report explaining the background and context, and multiple perspectives.