Longai River

Last updated August 16, 2025

The Longai River is a trans-boundary river in India and Bangladesh. It rises in Jampui Hills in the Indian state of Tripura. It flows through part of Mizoram before entering Karimganj district of Assam. Later it enters Bangladesh, and drains in Hakaluki Haor.^[1]^[2]

Notes

↑ "District Profile". Karimganj District, Government of Assam. Retrieved 19 November 2012.
↑ "Rivers of Tripura". Tripura State Pollution Control Board. Retrieved 19 November 2012.

v t e Hydrography of Tripura
Rivers	Deo Dhalai Feni Gomati Haora Juri River Khowai Longai River Manu River Muhuri

v t e Hydrography of Northeast India
Rivers	Bhogdoi Siang/Dihang/Brahmaputra Dhansiri Dihing Diphlu Feni Gumti Haora Iril Kaladan Kameng or Jia Bhoreli Karnaphuli Khowai Kolong Kopili Lohit Manas/ Drangme Chhu Manu Mora Dhansiri Muhuri Myntdu Mora Diphlu Sankosh or Puna Tsang Chhu Simsang or Someshwari Surma Surma-Meghna River System Thega River Tirap Ranganadi River Tuni River Tipkai River Krishnai River Dudhnoi River Jhanji River Bharalu River Nona River Borgang River Dikrong River Jiadhal River Champabati River Aie River Jiri River Kulsi River Gabharu River Jatinga River Dikhow River Pagladiya River Baralia River Diju River
Lakes	Kamalasagar Loktak Umiam Lake Ward's Lake
Waterfalls	Bishop Kynrem Langshiang Nohkalikai Nohsngithiang Vantawng
Major bridges	Bhupen Hazarika Setu Bogibeel Bridge Dibang River Bridge Kolia Bhomora Setu Naranarayan Setu Saraighat Bridge New Saraighat Bridge
Power projects	Jorethang HEP Kopili HEP Rangit HEP
Fluvial islands	Majuli

v t e Rivers in and around Bengal
Southeast Bangladesh	Dakatia Halda Karnaphuli Naf Sangu Thega Feni
Assam / Meghalaya / Tripura	Barak Brahmaputra Dhalai Feni Juri Kangsha Khawthlangtuipui Kushiyara Longai Manu Meghna Muhuri Myntdu Someshwari Surma Surma-Meghna Titas / Haora Gumti Khowai
Northern Bangladesh North Bengal	Atrai Balason Bangali Baral Chiri Dharla Dhepa Jaldhaka Karatoya Karotoa Kazipur Khong Khola Mahananda Mechi Nagar Punarbhaba Raidak or Wong Chhu Rangeet Small Jamuna Shiba Sree Tangon Teesta Torsa/Machu/Amo Chhu
Central Bangladesh	Balu Bangshi Buriganga Chiknai Dhaleshwari Dhanu Gorai-Madhumati Jamuna Jinai Louhajang Padma Shitalakhya Turag
Rarh region	Ajay Bakreshwar Bansloi Barakar Brahmani Dakatia Damodar Dwarka Dwarakeswar Gandheswari Haldi Hinglo Kangsabati Keleghai Kopai Kosai Kumar Kunur Mayurakshi Mundeswari Rasulpur Rupnarayan Sali Shilabati Subarnarekha
South Bengal Ganges Delta	Adi Ganga Anjana Baleshwar Bhairab Bhodra Bidyadhari Bishkhali Bura Gauranga Churni Choita Dhanshiri Garai Gosaba Hariabhanga Hooghly Ichamati Jalangi Jamuna Kaliganga Kalindi Kirtankhola Kopothakho Makunda Mathabhanga Matla Muri Ganga Nabaganga Pasur Piyali Raimangal Rupsha Saptamukhi Saraswati Thakuran
Related topics	Beel Country boats in Bangladesh Chalan Beel Ganges Haor List of rivers of Bangladesh of India Waters of South Asia Damodar Valley Corporation River bank erosion along the Ganges in Malda and Murshidabad districts

24°34′08″N92°19′43″E / 24.5688°N 92.3286°E / 24.5688; 92.3286

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Longai River

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Notes