| Torsa River Machu, Amo Chhu | |
|---|---|
 Torsa River near Cooch Behar | |
 | |
| Location | |
| Country | China,Bhutan,India,Bangladesh |
| Cities | Phuntsholing,Jaigaon,Hasimara,Cooch Behar |
| Physical characteristics | |
| Mouth | Brahmaputra River |
| Length | 358 km (222 mi) |
| Basin features | |
| Tributaries | |
| • left | Kaljani |
TheTorsa River (also speltTorsha and also known asKambu Maqu,Machu andAmo Chhu) rises from theChumbi Valley in Tibet, China, where it is known as Machu. Its course continues into Bhutan, India, and Bangladesh before joining theBrahmaputra River into theBay of Bengal.
From Tibet, the Torsa flows intoBhutan, where it is known as the Amo Chu. It has a length of 358 kilometres (222 mi) before entering India, of which 113 kilometres (70 mi) are in Tibet and 145 kilometres (90 mi) in Bhutan. After enteringWest Bengal in India, it is known as the Torsa. In Bangladesh too, it is known by the same name.[1] It is also known as Chumbi, Am-Chu, and Jaldhaka.[2]
Afterwards, the river flows past the border towns ofPhuntsholing (in Bhutan) andJaigaon, andHasimara (in India) and past the tea estate of Dalsingpara and theJaldapara National Park. Ghargharia river meets with Torsa in theTufanganj subdivision, nearDeocharai 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 meetsJaldhaka.[citation needed]
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 theJamuna there.[clarification needed]
The major towns along the river's banks are:
The Torsha River, along with theJaldhaka River andTeesta River, has created major flooding multiple times inBangladesh during themonsoon season between June and September.[3]
