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Avalanche and debris flow activity in the Caucasus Mountains and their effect on landscapes were investigated on the basis of long-term field observations, interpretation of remote sensing data, landscape mapping and profiling. The character of landscape change depends on the type of avalanches and debris flows, their frequency and the internal features of the affected landscapes. Several types of landscape patterns were distinguished in zones of avalanche and debris flow impacts according to their activity. Intensification of landscape changes in recent decades due to the large avalanche and debris flow releases was detected. Large-scale landscape maps for zones affected by disasters were compiled for some river valleys.