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The Trans-Alay Range (also Trans Alai) is the northernmost range of the Pamir Mountains, where the Pamirs and the Tian Shan come together. They form the border between Osh Province, Kyrgyzstan and Gorno-Badakshan province, Tajikistan. To the north is the Alay Valley and to the south, the Muksu River. The highest peak in the range is Lenin Peak.
- ^ Ошская область:Энциклопедия [Encyclopedia of Osh Oblast] (in Russian). Frunze: Chief Editorial Board of Kyrgyz Soviet Encyclopedia. 1987. p. 448.