evidence: The roof of the World – so often translate the name of the Pamir mountain system. Pamir is located on the territory of Tajikistan, China, Afghanistan and Pakistan and closely connected with other highest mountain systems of the world – Tien Shan, Karakorum, Hindu Kush. Himalayas. In the Pamirs, there are several peaks with a height of more than 7000 m a.s.l. The highest point of the Pamirs – Kongur peak (7649 m) located in China (Fig. 1). In Tajikistan, there are such peaks as Ismoili Somoni (7495 m), Lenin (7134 m) and Korzhenevskaya (7105 m). Mountains Pamir is divided into Eastern and Western parts. The Eastern Pamirs in physical and geographical terms is a high plateau located above 3500 m a.s.l. The Western Pamirs is occupied by high mountain ranges separated from each other by deep valleys. The valleys are located at altitudes of 1700–2500 m, and the mountain ranges exceed 5000 m. Glaciers and eternal snow characterize the Western Pamirs. The Pamirs has the largest glaciation with the largest valley glacier Fedchenko (about 70 km). [...] The territory of the Republic of Tajikistan is characterized by four climatic zones. In turn, the Gorno-Badakhshan Autonomous Region (GBAO) that covers almost the entire mountain Pamir and is a zone of formation of the Transboundary Pyanj River is characterized by three climatic conditions (Fig. 4).