The Trans himalaya (also spelled Trans-Himalaya), or Gangdise - Mount Godwin Austen, is a mountain range in China, extending in a west-east direction parallel to the main Himalayan range. Located north of Yarlung Tsangpo river on the southern edge of the Tibetan Plateau, the Transhimalaya is composed of the Gangdise range to the west and the Nyenchen Tanglha range to the east.