Dhalai River

{{Use dmy dates|date=December 2018}}

{{Infobox river

| name = Dhalai River

| native_name =

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| image = Dhalai River near Kamalpur.jpg

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| image_caption = Dhalai River near Kamalpur Tripura

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| pushpin_map = India

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| subdivision_type1 = Countries

| subdivision_name1 = India and Bangladesh

| subdivision_type2 = State

| subdivision_name2 = Tripura

| subdivision_type3 = District

| subdivision_name3 = Moulvibazar

| subdivision_type4 = Cities

| subdivision_name4 = {{hlist|Kamalpur|Ambassa}}

| length = {{cvt|117|km}}

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| source1 = Atharamura Hill

| source1_location = Tripura, India

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| mouth = Manu River

| mouth_location = Rajnagar Upazila, Bangladesh

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The Dhalai River (also known as Dhala River) is a trans-boundary river in India and Bangladesh. It rises in the mountains of the Indian state of Tripura. It enters Kamalganj Upazila of Maulvibazar District of Bangladesh. Later, it joins the Manu River in Rajnagar Upazila.{{cite book |last=Murshed |first=Md Mahbub |year=2012 |chapter=Dhala River |chapter-url=http://en.banglapedia.org/index.php?title=Dhala_River |editor1-last=Islam |editor1-first=Sirajul |editor1-link=Sirajul Islam |editor2-last=Jamal |editor2-first=Ahmed A. |title=Banglapedia: National Encyclopedia of Bangladesh |edition=Second |publisher=Asiatic Society of Bangladesh}}{{cite web|url=http://trpenvis.nic.in/surfacew.htm|title=Rivers of Tripura|publisher=Tripura State Pollution Control Board|access-date=19 November 2012}} The co-ordinates of the Dhalai River at Ambassa are 23.55'128 N and 91.51'204 E in degrees, minutes and seconds (DMS). It originates from Atharamura Hill and is {{convert|117|km}} long. Some of the popular riverside townships of the Dhalai are the towns of Ambassa, Baralutma and Kamalpur.