Dongkya or Dongkhya range[lower-alpha 1], is a mountain range in the lower Himalayas that forms the eastern border of Sikkim, a state of India. Its northern tip extends to Dongkha La, and as it moves southwards, sometimes referred to as the Chola range,[2][3] it is cut by Cho La, Yak La, Nathu La and Jelep La passes.[4][5]

Dongkya range and Chola range

S. K. Samanta explains in the Indian Journal of Landscape Systems and Ecological Studies,[6]

From Pauhunri emanates a large thrust, Dongkiya Range which strides southward for about 50 kilometre. It is separated from Tsen-gui kang by a fracturing belt of the Lachung chhu valley and leans over the Chola Range just north of Cho la (4435m).... The stream Rate chhu originates near Cho la which makes the boundary between North and East Sikkim, and ultimately plunges into the river Tista near Dikchu. The Range Chola extends further south for 20 kilometre along the eastern boundary of East Sikkim and acts as the water-divide between Rangpo-De chhu valleys lying in the district and Ammo chhu in Tibet..... De chhu excavates a narrow valley in south-eastern portion of the area, cuts deeply the last tip of Chola Range and ultimately flows southward through a glen to mark the boundary between Darjiling district and Bhutan.

Political importance

It was established as the border between Sikkim and Tibet's Chumbi Valley by the 1890 Convention of Calcutta reached between British India and Qing China. The Convention deemed the Dongkya Range to end at Mount Gipmochi at the southern end, which was defined as the trijunction between India, Tibet and Bhutan. However the Doklam plateau at the southern end gives rise to complications and the present day border dispute between Bhutan and China.

Dongkya Range is politically important, however S. G. Burrard, H. H. Hayden and A. Heron comment that while Dongkya Range is politically important, "but from a Himalayan point of view too great a topographical emphasis was given to them upon maps".[7]

Passes and peaks

Passes

Mountains

References and notes

Notes
  1. ↑ Alternative spellings include Dongkiya[1]
Citations
  1. ↑ Gulia, Kuldip Singh (2005). Human Ecology of Sikkim: A Case Study of Upper Rangit Basin. Gyan Publishing House. p. 65. ISBN 978-81-7835-325-8.
  2. ↑ Samanta, Geomorphic Units of The Sikkim Himalaya (2019), pp. 148.
  3. ↑ Lucksom, S.Z. (2008). "Endemic and Threatened Orchids of Sikkim and Their Conservation". ENVIS Bulletin: Wildlife and Protected Area. 11 (1: Special Habitats and Threatened Plants of India): 63–67. ISSN 0972-088X.
  4. ↑ Wangchuk, Pema (1 January 2013). "India, China and the Nathu La: Converting Symbolism into Reality" (PDF). www.ipcs.org (PDF). Archived (PDF) from the original on 30 October 2021. Retrieved 28 March 2021.
  5. ↑ Singh, Vijay P.; Singh, Pratap; Haritashya, Umesh K. (2011), Encyclopedia of Snow, Ice and Glaciers, Springer Science & Business Media, p. 518, ISBN 978-90-481-2642-2
  6. ↑ Samanta, Geomorphic Units of The Sikkim Himalaya (2019), pp. 152.
  7. ↑ Burrard, Sidney Gerald; Hayden, Henry Hubert; Heron, Alexander (1933). A Sketch of the Geography and Geology of Himalaya Mountains and Tibet. Delhi: Manager of Publications. Sold at the Office of the Geodetic Branch, Survey of India, Dehra Dun. p. 213 – via Internet Archive.
  8. 1 2 3 Iozawa, Tomoya (1985). Trekking in the Himalayas. Internet Archive. Union City, CA : Heian International. p. 201. ISBN 978-0-89346-212-3.
Bibliography

Further reading

27°41′N 88°50′E / 27.683°N 88.833°E / 27.683; 88.833

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