Bhote Koshi

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Bhote Kosi (Rongshar Tsangpo)
Bhote Kosi near Tibet.JPG
near the Chinese border during dry season
Origin Tibet, China

Sun Kosi or Matsang Tsangpo Near Barabise

27°42′43″N 85°45′54″E / 27.712°N 85.765°E / 27.712; 85.765
Source elevation 2,750 metres (9,020 ft) at Tibet-Nepal border
River system Kosi River

The Bhote Kosi (Nepali: भोटे कोशी; Chinese: 波特科西; pinyin: Bōtè Kēxī) or Rongshar Tsangpo is a trans-boundary river and is part of the Kosi or Sapta Kosi river system in Nepal. It originates in Tibet Autonomous Region of China.


Bhote Koshi means "river from Tibet". In the local language Bhote means Tibet and Koshi means river.[1] In Tibetan language the river is called Rongshar Tsangpo.[2] The suffix Tsangpo denotes a river flowing from or through Tsang, i.e. Tibet west of Lhasa.


The valley of Bhote Koshi

The source of the Rongshar Tsangpo or Bhote Kosi lies in the mountains to the east of the Kathmandu-Lhasa Highway in Tibet.[2] After flowing through Tingri County of Tibet, the Rongshar Tsangpo enters Nepal downstream from Drubden, at an elevation of 2,750 metres (9,020 ft).[2] In Nepal, it flows through steep and deep gorges and joins the Sun Kosi, downstream from Barhabise.[3]

Bungee jumping[edit]

Bungee jumping or swinging over the Bhote Kosi has been described as the ‘ultimate experience’.[4] The valley is narrow with steep hillsides towering over 2,000 metres (6,600 ft) from the river. Nepal's first bungee jumping site is situated there.

Water sports[edit]

The Bhote Kosi is the steepest river rafted in Nepal. With a gradient of 15 m per km it is a full eight times as steep as the Sun Kosi, which it feeds further downstream.[4] The river carves a steep and direct drop at the top that gradually eases to more placid streams and the calmer pools with a 46-km run at the Lamosunga dam. The rapids are class IV- V at high flow, and III at lower levels.[5] The Bhote Kosi is used for both rafting and kayaking. The river is steep and continuous with one rapid leading into another.


  1. ^ "Rafting – Bhote Kosi River". Nozomi Treks and Expedition. Retrieved 2010-05-23. 
  2. ^ a b c Dorje, Gyurme. "Footprint Tibet handbook: with Bhutan". p. 821. Google books. Retrieved 2010-05-15. 
  3. ^ "Sun Kosi River". . Retrieved 2010-05-14. 
  4. ^ a b Bindloss, Joe. "Nepal". Bungee Jumping p. 87, Rafting p. 107 (Google books). Retrieved 2010-05-23. 
  5. ^ "Bhote Kosi river travel guide". Addicted to travel. Retrieved 2010-05-23.