Piyain River

Piyain River
Piyain River in Zero Point Jaflong, Sylhet
Location
Countries	India, Bangladesh
District	Sylhet
Physical characteristics
Source
• location	Umgat river of Assam
Mouth
• location	Surma River
Length	145 kilometres (90 mi)

Piyain River a trans-boundary river of India and Bangladesh.^[1] It is a tributary of the Surma river, which is originates from the Umngot of Meghalaya. The river enters Bangladesh through Sylhet district.