Geladaindong Peak (also spelled Geladandong, Geladaintong or Kolha Dardong) is a snow-covered mountain (or massif) located in southwestern Qinghai province of China near the border of Tibet. It is the tallest mountain in the Tanggula Mountain Range of the Tibetan Plateau with an elevation of 6,621 metres (21,722 ft) above sea level.