{{for|other things named Torsa|Torsa (disambiguation)}} {{Use dmy dates|date=May 2023}} {{Infobox river | name = Torsa River | native_name = | native_name_lang = | name_other = Machu, Amo Chhu | name_etymology = <!---------------------- IMAGE & MAP --> | image = Torsa river in Coochbehar town 01.jpg | image_size = | image_caption = Torsa River near Cooch Behar | map = BD Map Rivers of North Bengal2.jpg | map_size = 250px | map_caption = | pushpin_map = | pushpin_map_size = 250px | pushpin_map_caption= <!---------------------- LOCATION --> | subdivision_type1 = Country | subdivision_name1 = China, Bhutan, India, Bangladesh | subdivision_type2 = | subdivision_name2 = | subdivision_type3 = | subdivision_name3 = | subdivision_type4 = | subdivision_name4 = | subdivision_type5 = Cities | subdivision_name5 = Phuntsholing, Jaigaon, Hasimara, Cooch Behar <!---------------------- PHYSICAL CHARACTERISTICS --> | length = {{convert|358|km|mi|abbr=on}} | width_min = | width_avg = | width_max = | depth_min = | depth_avg = | depth_max = | discharge1_location= | discharge1_min = | discharge1_avg = | discharge1_max = <!---------------------- BASIN FEATURES --> | source1 = | source1_location = | source1_coordinates= | source1_elevation = | mouth = Brahmaputra River | mouth_location = | mouth_coordinates = | mouth_elevation = | progression = | river_system = | basin_size = | tributaries_left = Kaljani | tributaries_right = | custom_label = | custom_data = | extra = }} The '''Torsa River''' (also spelt '''Torsha''' and also known as '''Kambu Maqu''', '''Machu''' and '''Amo Chhu''') rises from the Chumbi Valley in Tibet, China, where it is known as Machu. Its course continues into Bhutan, India, and Bangladesh before joining the Brahmaputra River into the Bay of Bengal.
== Course == From Tibet, the Torsa flows into Bhutan, where it is known as the Amo Chu. It has a length of {{convert|358|km|mi}} before entering India, of which {{convert|113|km|mi}} are in Tibet and {{convert|145|km|mi}} in Bhutan. After entering West Bengal in India, it is known as the Torsa. In Bangladesh too, it is known by the same name.<ref>Bandopadhyay, Dilip Kumar, ''Bharater Nadi'' (Rivers of India), 2002, {{in lang|bn}}, p. 78, Bharati Book Stall, 6B Ramanath Mazumdar Street, Kolkata.</ref> It is also known as Chumbi, Am-Chu, and Jaldhaka.<ref>{{cite web|url=https://en.banglapedia.org/index.php/Torsa_River|title= Torsa River |website=banglapedia.org|access-date=May 11, 2022}}</ref>
Afterwards, the river flows past the border towns of Phuntsholing (in Bhutan) and Jaigaon, and Hasimara (in India) and past the tea estate of Dalsingpara and the Jaldapara National Park. Ghargharia River meets with Torsa in the Tufanganj subdivision, near Deocharai and Balarampur. Torsa meets with Kaljani and then flows into Bangladesh by the name of Kaljani and meets with Brahmaputra in BD. A distributary known as the Buri Torsa meets Jaldhaka.{{fact|date=May 2023}}
Ghargharia River meets with the Torsa in the Tufanganj subdivision, near Deocharai and the Balarampur Torsa meets with the Kaljani and then flows into Bangladesh by the name of the Kaljani and meets with the Jamuna there.{{Clarify|date=February 2009}}
==Major towns and cities== The major towns along the river's banks are: * Phuntsholing, in Bhutan * Jaigaon in India * Hasimara in India * Cooch Behar, in India * Torsa Strict Nature Reserve, upstream in Bhutan
==Hydro projects== * Amo chu Hydro Power Project, By NTPC Limited{{fact|date=May 2023}}
==Floods== The Torsha River, along with the Jaldhaka River and Teesta River, has created major flooding multiple times in Bangladesh during the monsoon season between June and September.<ref>{{Cite web|url=https://www.thedailystar.net/news/bangladesh/news/several-thousand-houses-inundated-kurigram-2162496|title=Several thousand houses inundated in Kurigram|work=The Daily Star |date=28 August 2021}}</ref>
==References== {{reflist}}
== Further reading ==
* {{Citation|last=Roy|first=Suprakash|title=Flood hazards in Jalpaiguri district and its management|date=2011|chapter-url=http://ir.nbu.ac.in/handle/123456789/1335|pages=44|chapter=Chapter 2. Section 2.1.3 The Torsa basin|publisher=University of North Bengal}} {{Rivers in and around Bengal}}{{Hydrography of Bhutan}} {{commons category|Torsa River}}
{{coord|26.279|89.580|display=title}}
Category:Rivers of Bhutan Category:Rivers of West Bengal Category:Rivers of Tibet Category:Rivers of Bangladesh Category:International rivers of Asia Category:Tributaries of the Brahmaputra River