Periglacial landforms are typical features of the high mountain environment on Balkan Peninsula. Their formation and diversity is determined by climatic, topographic geological factors. Presently active periglacial processes occur above 1700-2000 m a. s. l., while relict observed down to 1100-1400 l. Among most prominent extensive talus screes fans, numerous rock glaciers (especially in Rila, P...