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 Autonomous Region. It is the tallest mountain in the Tanggula Mountain Range of the Tibetan Plateau with an elevation of above sea level. The traditional source of the Yangtze River, begins with glaciers on its surface. The Yangtze's true source, however, lies away at the head of the Dam Qu.