The Pamir is a high mountainous plateau that is sometimes described as a "knot" because it lies at the intersection of several of Asia's great mountain ranges: the Himalaya, the Karakoram, the Hindu Kush, and the Tian Shan. This central location means that the plateau contains a great diversity of species, with representatives from several adjacent mountain regions.

also called  Pamir,   highland region of Central Asia. The Pamir mountain area centres on the nodal orogenic uplift known as the Pamir Knot, from which several south-central Asian mountain ranges radiate; these include the Hindu Kush, the Karakoram Range, the Kunlun Mountains, and the Tien Shan. Most of the Pamirs lie within Tajikistan, but the fringes penetrate Afghanistan, Pakistan, China…