Indo-Pak mutually-agreed undisputed "International Border" (IB) in the black line, Indo-Pak "Line of Control" (LoC) in black dotted line in the north and west, Indo-Sino "Line of Actual" (LAC) in black dotted line in the east, Indo-Pak line across Siachen in north is "Actual Ground Position Line" (AGPL). The areas shown in green are the two Pakistani-controlled areas: Gilgit–Baltistan in the north and Azad Kashmir in the south. The area shown in orange is the Indian-controlled territories of Jammu and Kashmir, and Ladakh, and the diagonally-hatched area to the east is the Chinese-controlled area known as Aksai Chin. "Territories ceded by Pakistan to China claimed by India" in the north is Shaksgam (Trans-Karakoram Tract).United Nations map of Siachen Glacier showing "Point NJ980420" (Point NJ9842) as the starting point of the "Actual Ground Position Line" (AGPL), Goma military camp of Pakistan, Nubra River valley and Siachen glaciers held by India, and Bilafond La and Sia La (north of NJ9842) also held by India. Masherbrum Range, Baltoro Glacier, Baltoro Glacier, Baltoro Muztagh and K2 are held by Pakistan.
Sia La is a mountain pass situated on Saltoro Ridge, in Gilgit Baltistan, Pakistan some 60 km (37 mi) north-northwest of map point NJ9842 which defined the end of the 1972 Line of Control between India and Pakistan as part of the Simla Agreement.[1] Sia La sits near the Chinese border and immediately northwest of the upper part of the vast Siachen Glacier, connecting that glacier to the Pakistani-controlled Kondus Glacier and valley to the west.
