Which mountain has a summit as a tripoint of a territory controlled by India, China, and Pakistan: Sia Kangri or Gasherbrum III?
Sia Kangri: Sia Kangri (7,442 m, 24,370 ft) is a mountain in the Baltoro Muztagh in the Karakoram. Sia Kangri:  Its summit is the tripoint of territory controlled by India, China and Pakistan where the Actual Ground Position Line between Indian and Pakistani forces meets Chinese-controlled territory. Gasherbrum III: Gasherbrum III (Urdu: گاشر برم -3‎ ; ), surveyed as K3a, is a summit in the Gasherbrum massif of the Baltoro Muztagh, a subrange of the Karakoram on the border between Xinjiang, China and Gilgit-Baltistan, Pakistan.
Sia Kangri