|Floor elevation||17,400 ft (5,300 m)|
|Length||25 mi (40 km) east-west |
|Width||12–13 mi (19–21 km) north-south |
|Area||310 sq mi (800 km2)|
|River||Chip Chap River|
Tributaries of Karakash River
Tributaries of Burtsa Nala
The Depsang Plains (Chinese: 達普桑盆地) represent a high-altitude gravelly plain at the northwest portion of the disputed Aksai Chin region of Kashmir, divided into Indian and Chinese administered portions across a Line of Actual Control. India controls the western portion of the plains as part of Ladakh, whereas the eastern portion is controlled by China and claimed by India. The Depsang plains are also part of the area called Sub-Sector North (SSN) by the Indian military.
The area sees frequent tension between China and India. Chinese incursions into Indian territory are common, with major standoffs occurring in 2013, 2015 and 2020. The Line of Control with Pakistan-administered Gilgit-Baltistan 80 kilometres (50 mi) west of the Depsang Plains sees frequent ceasefire violations and infiltrations by Pakistan.
(and the traditional customary boundary of China declared 1960).
The Depsang Plains are located in the north-western part of Aksai Chin. They are bounded on the north by the valley of the Chip Chap River and on the west by the Shyok River. On the east they are bounded by low hills of the "Lak Tsung" range, which separate them from the basin of the Karakash River. In the south, the Depsang Plains proper end at the Depsang La pass, but in common parlance, the Depsang area is taken to extend till Burtsa Nala, which flows between Burtsa and Murgo.
The Depsang Plains are more than seventeen thousand feet above sea-level, and are of gravel, as bare as a gravel-walk to a suburban villa. Away behind us the snowy peaks of Saser and Nubra appeared above the horizon like the sails of some huge ships; but before us was nothing but gravel plains and great gravel mounds, terribly desolate and depressing. Across these plains blew blinding squalls of snow, and at night, though it was now the middle of summer, there were several degrees of frost.
But on the other hand the caravans come and go incessantly, in the summer, in astonishing numbers. The first one of the season passed on June 28th, coming from Sanju on the Yarkand road; then more and larger ones came; in July there were four in one day, almost all travelling from Central Asia toward Leh—the Ladakhis usually do their trading at home. The caravans were of all sizes, from small groups of 3 or 4 men with 5 or 6 animals to large parties with 40 or more pack-animals; the men on foot or riding asses, the better-to-do merchants on caparisoned horses ...
Filippi also wrote that the experienced caravaners passed through the Depsang Plains without stopping, travelling a distance of 31 miles between Daulat Beg Oldi and Murgo in a single day. Others stopped, either at Qizil Langar to the south of Depsang La, or at Burtsa further south. A stream running from below Depsang La, called Depsang Nala, waters these parts leading to the growth of the burtza plant, which served as fodder as well as fuel for the campers.
In modern times, the Darbuk–Shyok–DBO Road (DS–DBO Road) has been laid by India along the old caravan route. It passes through Sultan Chushku, Murgo, Burtsa, Qizil Langar, to reach Daulat Beg Oldi (DBO).
In 1893, Charles Murray, 7th Earl of Dunmore, in his daily records of his travels with Major Roche through Ladakh, Tibet and Pamirs, wrote of seeing musk deer, kiang, Tibetan antelope and a butterfly in the region in and around the Depsang Plains. Dunmore noted that K2, the second highest mountain in the world, could be seen from the plateaus. In 1906, Sven Hedin had travelled east from Burtsa to the Aksai Chin lake on the traditional silk road. The traditional route to Shahidula passed through the plains; Kizil Jilga to Haji Langar to Shahidula.
Line of Actual Control
In 1962, China and India fought a war over the border dispute, following which the Depsang Plains have been divided between the two countries across a Line of Actual Control (LAC), which runs to the east of the traditional caravan route. Now only the militaries of the two countries inhabit the region distributed in numerous military camps. The nearest inhabited village is Murgo.
Burtsa, alternately spelled as Burtse, is a historic halting spot on the caravan route at the southern end of the Depsang Plains, where the Depsang Nala and Raki Nala join to form the Burtsa Nala.[a] It currently serves as a military camp of the Indo-Tibetan Border Police (ITBP) and the Indian Army on the Darbuk-Shyok-DBO road, about 15 kilometres on the India's side of the LAC.
Near Burtsa on the bed of the Raki Nala is "bottleneck" or "Y-junction". The bottleneck gets its name from a rock formation that restricts movement of vehicles. The bottleneck is also called Y-junction because the track from Bursta that runs along it divides into two here. One track goes along the Raki Nala to Patrolling Point 10 (PP10) while the other track goes to PP-13.
North of Burtsa is Qizil Langar, also called Qazi Langar. It is in a narrow reddish gorge, immediately to the south of the Depasang La. The Depsang Nala stream flows in the gorge from the west and takes a turn to the south at Qizil Langar.
Gapshan or Yapshan is a halting place located at the confluence of the Chip Chap River and the Shyok River. In the past, on numerous occasions, the Chong Kumdan glacier has blocked the flow of the Shyok River forming a lake called the Gapshan Lake; once the ice dam melts, the lake drains away. From Gapshan, the Shahi Kangri group of peaks are seen which dominate the plains.
At a camping ground, Polu (or Pulo/Pola is a traditional temporary shelter built using local mud), four miles north of DBO along the DBO Nala, Maj A. M. Sethi found a memorial stone left by Dr. Ph. C. Visser in 1935.
Tianwendian ("astronomical point") is a border post in the Chinese-controlled territory; the location is also called point 5243. From Tianwendian Defence Area, the Chinese have a line of sight extending to Siachen glacier, 140 km away. Closer to the Indian-controlled territory is forward post 5390, a PLA observation point which acts as an extension of Tianwendian. The Tiankong Highway runs parallel to the LAC connecting Tianwendian and Kongka to the south.
Flora and fauna
The Depsang Plains are widely observed as forming a high-altitude cold desert without any flora or fauna. Filippo de Filippi, who explored the region in the 1910s, wrote that "the surface of the [Depsang] plateau is a mass of minute detritus, and is entirely devoid of vegetation, except for occasional patches of a yellowish-green plant". A 1985 expedition to the Rimo Glacier found blooming plants at a few places and that "at places [the] plains are marshy and our mules were sinking and we all had to help them out." Burtse (Artemisia spp.) plant of the Asteraceae family grows along the Burtsa Nala and Depsang Nala, lending its name to the region. Its leaves were used for fodder and its roots as firewood by caravaners. Potentilla pamirica is also found in the plains.
Small populations of Tibetan antelope (or "chiru"), mountain weasel, Ladakh pika, bharal (blue sheep), Tibetan wolf and woolly hare, among others, can seen in the plains. According to Brigadier Teg B Kapur, "the [Depsang] plain abounds with wild horses and hares". The populations of chiru are migratory and come to the high-altitude plains for summer grazing. These populations are also the westernmost population of chiru, found at altitudes of up to 5500m. A Schaller Conservation Survey of chiru conducted by the Wildlife Trust of India in 2005 sighted 149 individuals of chiru in 22 groups, all females and kids, in the Depsang area. The southernmost area where chiru were spotted was the Thuksu Doon Doon nullah which flows near the Depsang La. The report says that "Chiru is a mixed feeder and favoured graminoids and forb plant species". In the past, Chiru were killed for their fine wool (called shahtoosh) and many efforts have been taken to protect them in India. Populations of Kiang also move back and forth across the disputed border. In 1990, it was reported that the proposed Daultberg–Depsang Sanctuary would contain the last wild yak, but Schaller Conservation Survey did not locate any in the 2000s.
DRDO-reared double-humped Bactrian camels (originally used along the silk route) will be deployed at DBO and Depsang by the Indian Army for patrolling and transportation. Zanskar ponies are also being used by the Indian Army.
Sino-Indian border dispute
India's Intelligence Bureau patrols had come across indications of Chinese activity in the Depsang Plains prior to 1958. However, the Bureau chief B. N. Mullik has stated that "the Chinese did not come into Depsang Plains till October, 1960".
The 1962 Sino-Indian War in the Depsang Plains lasted two days, 20–21 October 1962. The Chinese forces in the area were based at the Tianwendian post (also called Point 5243). The Indian posts, set up in accordance with India's "forward policy", were manned by the 14th battalion of the Jammu and Kashmir Militia (later Ladakh Scouts), and were mostly of a platoon or a section strength.
The Chinese forces first targeted the post they called "Indian Stronghold No. 6" at "Red Top Hill". They regarded this post specially threatening to their lines of communication. As per the Chinese assessment, the attacking troops had a superiority of 10 to 1 in numbers and 7 to 1 in fire power. The post was eliminated in under two hours, with 42 soldiers killed and 20 captured. Following on this success, the Chinese eliminated 6–7 other Indian posts of a section strength (8–10 troops) and 2 further posts on the second day.
The remaining Indian posts were then given permission to withdraw, as they were not tactically sited and had no mutual support. By 24 October, the withdrawal was completed, with the Indians continuing to hold Saser Brangsa, Murgo, Sultan Chushku and the Galwan estuary on the Shyok River. The Chinese forces advanced to their 1960 claim line in most locations. The one exception was the Depsang Bulge, where later maps showed them to have reached up to the junction of the Raki Nala with the Depsang Nala, thereby straightening out the bulge.
In April 2013, the Chinese PLA troops set up a temporary camp at the junction of the Raki Nala and Depsang Nala, claiming it to be Chinese territory. But, after a three-week standoff, they withdrew as a result of a diplomatic agreement with India. In 2015 China tried setting up a watch tower near Burtsa. Any threat to Depsang affects India's DS-DBO road. Initially India had stationed about 120 tanks in the SNN, and over the years this number has increased.
Sub Sector North
The Indian military's Subsector North (SSN) is east of Siachen Glacier, located between the Saser ridge on the southeastern side and the Saltoro Ridge on the Pakistani border. With regards to a two–front war for India, this area can provide for a linkage for Pakistan and China in Ladakh. The territorial wedge created by Depsang Plains–Karakoram Pass–Shyok Valley prevents this territorial linkup.
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The location and terrain features of this traditional customary boundary line are now described as follows in three sectors, western, middle and eastern. ... The portion between Sinkiang and Ladakh for its entire length runs along the Karakoram Mountain range. Its specific location is as follows: From the Karakoram Pass it runs eastwards along the watershed between the tributaries of the Yarkand River on the one hand and the Shyok River on the other to a point approximately 78° 05' E, 35° 33' N, turns southwestwards and runs along a gully to approximately 78° 01' E, 35° 21' N; where it crosses the Chipchap River. It then turns south-east along the mountain ridge and passes through peak 6,845 (approximately 78° 12' E, 34° 57' N) and peak 6,598 (approximately 78° 13' E, 34° 54' N).
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Shahi Kangri dominates the Depsang plains
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We climbed up to Depsang La, 5,475 m from Burtse Gongma, slowly gaining altitude. Burtse is a name of a plant that grows there and can be used for firewood.
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Chiru is a keystone species and world's hardiest mountain ungulates that can survive in temperatures as low as –40C. Most of their distribution range falls above 4,000 m, and in Depsang Plains in northern Ladakh, they can be found as high as 5500 m. [...] The Shahtoosh is banned as chiru are killed for Shahtoosh, from which fine woolen yarn is produced which commands a high price in the market
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