Namcha Barwa

Namcha Barwa or Namchabarwa (Tibetan: གནམས་ལྕགས་འབར་བ།, Wylie: Gnams lcags 'bar ba, ZYPY: Namjagbarwa; Chinese: 南迦巴瓦峰, Pinyin: Nánjiābāwǎ Fēng) is a mountain peak lying in Tibet in the region of Pemako. The traditional definition of the Himalaya extending from the Indus River to the Brahmaputra would make it the eastern anchor of the entire mountain chain, and it is the highest peak of its own section as well as Earth's easternmost peak over 7,600 metres (24,900 ft).^[3] It lies in the Nyingchi Prefecture of Tibet. It is the highest peak in the 180 km long Namcha Barwa Himal range (also called the Namjagbarwa syntaxis or Namjagbarwa Group Complex), which is considered the easternmost syntaxis/section of the Himalaya in southeastern Tibet and northeastern India where the Himalaya are said to end, although high ranges (Hengduan Mountains on the China–Myanmar border) actually continue another 300 km to the east.

Namcha Barwa is in an isolated part of southeastern Tibet rarely visited by outsiders. It stands inside the Great Bend of the Yarlung Tsangpo River as the river enters its notable gorge across the Himalaya, emerging as the Siang and becoming the Brahmaputra.^[4] Namcha Barwa's sister peak Gyala Peri at 7,294 metres (23,930 ft) rises across the gorge 22 kilometres (14 mi) to the north-north-west (NNW).

Namcha rises 5,000–6,800 metres (16,400–22,300 ft) above the Yarlung Tsangpo.^{[5] [6]} After 7,795-metre (25,574 ft) Batura Sar in the Karakoram was climbed in 1976, Namcha Barwa became the highest unclimbed independent mountain in the world,^[7] until it was finally climbed in 1992.

In addition to being the 27th highest mountain in the world, Namcha Barwa is the third most prominent peak in the Himalayas after Mount Everest and Nanga Parbat.^{[1] [8]}

Frank Kingdon-Ward described in the 1920s "a quaint prophecy among the Kongbo Tibetans that Namche Barwa will one day fall into the Tsangpo gorge and block the river, which will then turn aside and flow over the Doshong La [pass]. This is recorded in a book by some fabulous person whose image may be seen in the little gompa [Buddhist monastery] at Payi, in Pome." (126–127)^[9] (See Beyul for the reason behind the prophecy and Padmasambhava or another Tertön for the "fabulous person whose image may be seen in the little gompa").^[10]

Namcha Barwa was located in 1912 by British surveyors but the area remained virtually unvisited until Chinese alpinists began attempting the peak in the 1980s. Although they scouted multiple routes, they did not reach the summit.^[11] In 1990 a Chinese-Japanese expedition reconnoitered the peak.^[12] Another joint expedition reached 7,460 metres (24,480 ft) in 1991 but lost member Hiroshi Onishi in an avalanche.^[13] The next year a third Chinese-Japanese expedition established six camps on the South Ridge over intermediate Nai Peng (7,043 metres or 23,107 feet), reaching the summit on October 30.^[14] Eleven climbers reached the summit.^[7] U.K. Alpine Club's Himalayan Index lists no further ascents.^[15]

• Geology of the Himalaya
• Indus River – the erosion at Nanga Parbat is causing rapid uplifting of lower crustal rocks
• Karakoram fault system – major active fault system within the Himalayas
• Mount Everest
• Paleotethys
• Sutlej River – similar small-scale erosion to the Indus
• Tibetan Plateau to the North (also discussed in Geography of Tibet)
• Zanskar is a subdistrict of the Kargil district, which lies in the Indian union territory of Ladakh

• Chinese expedition in the 1980s
• Namcha Barwa, NH 46-12 (Map). 1:250,000. U.S. Army Map Service. 1955. Retrieved 2011年06月08日.
• Virtual Aerial Tour Video

• Mountains of Tibet
• Seven-thousanders of the Himalayas

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• Coordinates on Wikidata
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