In recent years, the village of Colsano in the Venosta Valley has witnessed the recurring phenomenon of rock mass collapse. Large blocks from past landslides are still visible on the edge of the valley. The investigation has brought to light the presence of a strongly disintegrated rocky ridge, within a larger and more complex area, strongly disturbed by the presence of a Deep-Seated Gravitational Deformation of the Slope (DSGSD) still studied and examined in depth. The analysis of the kinematisms, in addition to the geological and geomechanical...