Surma River
River in Bangladesh
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Through Bangladesh and Assam
Course
From its source in the Manipur Hills near Mao Songsang, in India, the river is known as the Barak River. At the border with Bangladesh, the river divides into two branches, the northern branch being called the Surma River and the southern the Kushiyara River. This is where the river enters the Sylhet Depression (or trough) which forms the Surma Basin.
The Surma is fed by tributaries from the Meghalaya Hills to the north, and is also known as the Baulai River after it is joined by the south-flowing Someshwari River.
The Kushiyara receives tributaries from the Sylhet Hills and Tripura Hills to the south, the principal one from the Tripura Hills being the Manu. The Kushiyara is also known as the Kalni River after it is joined by a major offshoot (distributary) from the Surma. When the Surma and the Kushiyara finally rejoin in Kishoreganj District above Bhairab Bazar, the river is known as the Meghna.
The Surma passes through many haors, which are bowl-shaped shallow depressions.

