International audiencelong with a rising temperature trend registeredin the past decades along the European Alps, severalsignals of permafrost degradation have been reportedin the same region, e.g. rock glacier displacementacceleration and thickening of the active layer. Per-mafrost degradation is alarming due to its role in ter-rain destabilization and, in particular, ice-rich debrisslopes are of great concern due to their proximity toinhabited areas. Therefore, in the past years increas-ing efforts have been made either by the scientificcommunity and local authorities in understanding theprocesses and hazards linked to the alpine permafrostdegradation.The first step to manage the risk associated withpermafrost degradation is to know its spat...