Monviso at risk of "possible important landslide phenomena" that could be caused by climate change. This is the diagnosis of the geologists of Arpa (Regional Agency for Environmental Protection) after the inspection carried out following the imposing collapse on December 26 on the east wall, from where 200 thousand cubic meters of rock were detached. Experts speculate that the breakdown of the permafrost, the perennially frozen layer, causes the collapse of the rock.
The detachment of rock on the Monviso occurred at the top of the Torrione del Sucai, at 3200 meters above sea level and developed up to 2800 meters, affecting a rocky band of 45-55 meters. The largest boulders rolled downstream are at least 4, with a volume of 150-250 cubic meters.
The landslide is monitored with great attention: "Given the marked fracture of the rock mass in the sector already affected by the collapse, it is probable - the geologists of Arpa write - that the wall has not yet reached a balance". In the next few days the east face of Monviso, the mountain from which the river Po is born, will be inspected with a drone.