| China–Pakistan border | |
|---|---|
 Map of the China-Pakistan border | |
| Characteristics | |
| Entities |  China Pakistan |
| Length | 559 kilometres (347 mi) |
| History | |
| Current shape | 15 March 1963 after ratification of theSino-Pakistan Treaty |
| Treaties | Sino-Pakistan Agreement |
TheChina–Pakistan border is 596 kilometres (370 mi) long and runs west–east from the tripoint withAfghanistan to the disputed tripoint withIndia in the vicinity of theSiachen Glacier.[1] It traverses theKarakoram Mountains, one of the world's tallest mountain ranges.Hunza District,Nagar District,Shigar District andGhanche District inGilgit-Baltistanadministered byPakistan, borderTaxkorgan Tajik Autonomous County andKargilik/Yecheng County[2] inKashgar Prefecture,Xinjiang Uygur Autonomous Region,China.
The modern border dates from the period of theBritish Raj when Britain controlled India, which then included what is now Pakistan. In 1899, the British, via its envoy to China SirClaude MacDonald, proposed what became known as theMacDonald Line to the Chinese government, however the Chinese never responded to the proposal and thus this border was never formalised.[3]
Over the following decades a variety of maps were issued by all sides in the dispute, showing wildly varying boundaries.[3] India and Pakistan inherited the dispute upon independence in 1947, further complicated by theirdispute over ownership ofJammu and Kashmir. The issue came to the fore in the early 1960s, at a time of intense tension in the region due to ongoing failure to solve the Indo-Pakistani dispute over Kashmir, a much larger Chinese presence inTibet, and theSino-Indian War of 1962 in which China had seized control of the Indian-claimedAksai Chin region. In 1961 China and Pakistan agreed in principle to demarcate their common border; negotiations commenced the following year, with the finalSino-Pakistan Agreement being signed in 1963.[3] Both sides made concessions in the treaty, with Pakistan giving China the area around the Shaksgam Valley known as theTrans-Karakoram Tract.[3] Following the treaty a series of maps and aerial surveys of the border area were made and boundary pillars installed.[3]
The 1963 Sino-Pakistani agreement delimited the boundary as follows:[3]
"Article Two... (1) Commencing from its northwestern extremity at height 5,630 metres (a peak, the reference co-ordinates of which are approximately Longitude 74° 34' E and Latitude 37° 03' N), the boundary line runs generally eastward and then southeastward strictly along the main watershed between the tributaries of theTashkurgan River of theTarim River system on the one hand and the tributaries of theHunza River of the Indus River system on the other hand, passing through the Kilik Daban (Dawan), theMintaka Daban (Pass), the Kharchanai Daban (named on the Chinese map only), the Kutejilga Daban (named on the Chinese map only), and the Parpik Pass (named on the Pakistan map only), and reaches the Khunjerab (Yutr) Daban (Pass).
(2) After passing through theKhunjerab (Yutr) Daban (Pass), the boundary line runs generally southward along the above-mentioned main watershed up to a mountaintop south of the Daban (Pass), where it leaves the main watershed to follow the crest of a spur lying generally in a south-easterly direction, which is the watershed between the Akjilga River (a nameless corresponding river on the Pakistan map) on the one hand, and the Taghdumbash (Oprang River) and the Keliman Su (Oprang Jilga) on the other hand. According to the map of the Chinese side, the boundary line, after leaving the southeastern extremity of this spur, runs along a small section of the middle line of the bed of the Keliman Su to reach its confluence with the Kelechin River. According to the map of the Pakistan side, the boundary line, after leaving the southeastern extremity of this spur, reaches the sharp bend of the Shaksgam or Mustagh River.
(3) From the aforesaid point, the boundary line runs up the Kelechin River (Shaksgam or Muztagh River) along the middle line of its bed to its confluence (reference co-ordinates approximately Longitude 76° 02' E. and Latitude 36° 26' N.) with the Sorbulak Daria (Shimshal River or Braldu River).
(4) From the confluence of the aforesaid two rivers, the boundary line, according to the map of the Chinese side, ascends the crest of a spur and runs along it to join the Karakoram Range main watershed at a mountain-top (reference co-ordinates approximately Longitude 75° 54' E. and Latitude 36° 15' N.), which on this map is shown as belonging to the Shorbulak Mountain. According to the map of the Pakistan side, theboundary line from the confluence of the above-mentioned two rivers ascends the crest of a corresponding spur and runs along it; passing through Height 6,520 metres (21,300 feet)till it joins the Karakoram Range main watershed at a peak (reference co-ordinates approximately Longitude 75° 57' E. and Latitude 36° 03' N.).
(5) Thence, the boundary line, running generally southward and then eastward, strictly follows the Karakoram Range main watershed which separates the Tarim River drainage system from the Indus River drainage system, passing through the East Mustagh Pass (Muztagh Pass), the top of the Chogri Peak (K2), the top of the Broad Peak, the top of the Gasherbrum Mountain (8068) Indirakoli Pass (named on the Chinese map only) and the top of the Teram Kangri Peak, and reaches its southeastern extremity at the Karakoram Pass."
Pakistan maintains a territorial claim on the Indian-administered region ofLadakh (formerly a part of theJammu and Kashmir state), which shares a border with China (see also:Line of Actual Control). Thepolitical map used by the Pakistani government annotates Ladakh's boundary with China as "frontier undefined", whose status would be formalised by "the sovereign authorities concerned after the settlement of theJammu and Kashmir dispute."[4][5]
Conversely, the China–Pakistan border is not recognised by India, which claims the erstwhilestate of Jammu and Kashmir in its entirety, a claim which negates any Sino-Pakistani border and indeed would give India a common border with Afghanistan. India refuses to recognise the legality of the 1963 Sino-Pakistan treaty or the cession of the Trans-Karakorum Tract (Shaksgam Valley) to China, a position further complicated by the fact that large sections of the rest of the China-India boundary are also disputed.[6] In 1984 India began moving troops to the hitherto unsettledSiachen Glacier in Kashmir, thereby altering the de facto China-India-Pakistan tripoint.[7][8] Article 6 of the 1963 Sino-Pakistan treaty provides for a renegotiation of the China-Pakistan boundary if the Kashmir dispute is resolved. However, with Indian relations still cool with China, and poor-to-hostile with Pakistan, it is unlikely the boundary dispute will be resolved soon.
TheKhunjerab Pass is the only modern day border crossing between China and Pakistan, accessed via theKarakorum Highway.[9] Historically theMintaka Pass andKilik Pass have also been used; however those crossings do not have vehicle access and are closed.
![Historical map including part of the China-Kashmir (disputed between India and Pakistan) border area from the International Map of the World (1966)[a]](/mt/?noimg=&dark=on&url=https%3a%2f%2fen.wikipedia.org%2fwiki%2fFile%3aTxu-oclc-6654394-nj-43-5th-ed.jpg)
![Map of Afghanistan-China Boundary (Afghanistan-China-Pakistan tripoint labeled as 5630 (18471)) (1969)[b]](/mt/?noimg=&dark=on&url=https%3a%2f%2fen.wikipedia.org%2fwiki%2fFile%3aAfghanistan-China_Boundary._4-69._LOC_gm70003373_cropped.jpg)
与巴基斯坦、印控克什米尔地区接壤，边境线长达80多公里。
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