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border outpost
China Xinjiang adm location map.svg
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India Ladakh location map UN view.svg
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Coordinates: 35°19′52″N78°10′44″E / 35.331°N 78.179°E / 35.331; 78.179 Coordinates: 35°19′52″N78°10′44″E / 35.331°N 78.179°E / 35.331; 78.179
Elevation5,171.2 m (16,965.9 ft)
Traditional Chinese 天文點
Simplified Chinese 天文点
Literal meaningastronomical point

Tianwendian (Chinese : 天文点 ; lit. : 'astronomical point') is the location of a Chinese border outpost in the Chip Chap River valley, north of Depsang Plains in the Aksai Chin region controlled by China (as part of Hotan County, Hotan Prefecture, Xinjiang). [3] The region is disputed by India.[ citation needed ]


Military outpost

The military outpost was constructed in 1959, and is composed of a border company. [4] Around the time of the 2013 Daulat Beg Oldi incident, PLA constructed a radar station at this outpost. [5]

India-China Border Meeting point

The highest of the five Border Personnel Meeting points is located near Tianwendian. The Indian camp at Daulat Beg Oldi serves as the counter-party for this meeting point. [6]

See also

Related Research Articles

Aksai Chin Disputed region in Xinjiang, Tibet, and Kashmir

Aksai Chin is a region administered by China as part of its Xinjiang and Tibet autonomous regions, and constituting the eastern portion of the larger Kashmir region which has been the subject of a dispute between India and China since 1962.

Hotan County County in Xinjiang, Peoples Republic of China

Hotan County is a county in the southwest of the Xinjiang Uyghur Autonomous Region and is under the administration of the Hotan Prefecture. Almost all the residents of the county are Uyghurs and live around oases situated between the desolate Taklamakan Desert and Kunlun Mountains. Hotan County is the southernmost county-level division of Xinjiang. The county borders Karakax/Moyu County to the northwest, Hotan City and Lop County to the northeast, Qira County to the east, Pishan County to the west, and Rutog County, Tibet to the southeast. Hotan County administers most of Aksai Chin, an area disputed between China and India. The Line of Actual Control divides the India-controlled part of Ladakh union territory from the Aksai Chin area administered as part of southwest Hotan County.

Daulat Beg Oldi Military Base in Ladakh, India

Daulat Beg Oldi is a historic campsite and current military base located in Ladakh, India on an ancient trade route connecting Ladakh to the Tarim Basin. It is named after Sultan Said Khan, who died here on his return journey after the invasion of Ladakh and Kashmir. The Chip Chap River flows just to the south of Daulat Beg Oldi from east to west. Daulat Beg Oldi also has one of the world's highest airstrips, at an altitude of 5,065 meters.

Beyik Pass

The Beyik Pass, also written and Payik Pass and Bayik Pass, is a mountain pass in the Sarikol Range between Gorno-Badakhshan Autonomous Province in Tajikistan and the Taghdumbash Pamir region of Tashkurgan Tajik Autonomous County in Xinjiang, China. It is situated at an elevation of 4,742 metres (15,558 ft). There is an ethnic Kyrgyz village on the Chinese side with the same name, though the village is more commonly referred to by a different name in Chinese and Beyik is reserved for the border guard outpost.

Khurnak Fort

The Khurnak Fort is a ruined fort on the northern shore of the Pangong Lake that spans eastern Ladakh in India and Rutog County in Tibet. The area of the Khurnak Fort is disputed by India and China, and has been under Chinese administration since 1958.

Chip Chap River river in China and India

The Chip Chap River is a tributary of the Shyok River that flows from the disputed Aksai Chin region administered by China to Ladakh in India. It originates at the eastern edge of the Depsang Plains and flows west, skirting around the Depsang Plains in the north. It discharges into the Shyok River, forming one of the upstream tributaries of the Indus River.

Tianshuihai army service station in Xinjiang Autonomous Region, China

Tianshuihai, alternately Tien Shui Hai, is the location of an army service station in the disputed Aksai Chin region of Kashmir administered by China as part of its Hotan County, Hotan Prefecture, Xinjiang Uyghur Autonomous Region. It is also claimed by India as part of Ladakh.

Chalachigu Valley

Chalachigu Valley or Karachukur Valley is a valley in Taxkorgan Tajik Autonomous County, Kashgar Prefecture, Xinjiang, China. It borders Afghanistan to the west, Tajikistan to the north and Pakistan to the south. It borders Taghdumbash Pamir to the east, Gojal to the south, and Little Pamir to the north and west. The name of the valley is from Kyrgyz meaning "black cave".

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Heweitan Border outpost

Heweitan is the location of a Chinese border outpost in the region of Aksai Chin that is controlled by China but disputed by India. According to the Chinese Ministry of National Defense, it is the highest border outpost in the country.

Mazar Pass Mountain pass in China

Mazar Pass or Mazar Daban is a long mountain pass with numerous hairpin turns along China National Highway 219 (G219), the highway connecting Xinjiang and Tibet. The mountain pass crosses the Kunlun Mountains. It is between the villages of Kudi and Mazar in Kargilik County in southwestern Xinjiang. Western sources often refer to it as Chiragsaldi Pass. Formal Chinese sources, such academia, also refer to it as Sailyak Pass(Sailiyake Daban; Chinese: 赛力亚克达坂).


  1. Baiping, Zhang (2000). "Kunlun Mountains Region". 57: 349–372. doi:10.1007/978-94-010-0965-2_17. ISSN   0924-5499. Tianwendian (5171.2 m)Cite journal requires |journal= (help)
  2. "海拔5170米 天文点官兵扎根奉献". Xinwen Lianbo . CCTV-13. 22 December 2013. Retrieved 30 December 2019. 海拔5170米 天文点官兵扎根奉献
  3. 地貌气候. 和田县政府门户网站 (in Chinese). 29 April 2019. Retrieved 23 December 2019. 海拔5 000米以上的天文点、空喀山口一带,
  4. 陈杰 (19 December 2013). 王建民 (ed.). "守防在昆仑之巅 记新疆军区某边防团天文点边防连" (in Chinese). Xinhua News . Retrieved 14 December 2019. 天文点边防连组建于1959年。
  5. Bhat, Vinayak (25 August 2017). "China's string of radars in Ladakh track every move of Indian Army – ThePrint". ThePrint. Retrieved 5 January 2020. The Depsang area came into the limelight during 2013 Daulat Beg Oldie incident when the PLA pitched tents and constructed watchtowers much higher than required. At that time, China had also constructed a huge radar on a hillock north of their post called Tianwendian.
  6. "Indian, Chinese armies decide to improve ties at functional level". News18 . Retrieved 14 September 2017.