Tangon River
Tangon River is a river passing through the Indian States and [territories of India|state] of West Bengal and Bangladesh. It is a tributary of Punarbhaba River. It was named after Tankonath, zamindar of Ranisankail in Thakurgaon District.
After originating in West Bengal, it passes through Panchagarh District, Sadar Upazilla in Thakurgaon District, Pirganj [Upazila, Rangpur|Pirganj] in Thakurgaon District, Bochaganj and Biral in Dinajpur District in Bangladesh before it flows through Kushmandi and Bansihari community development blocks of South [Dinajpur district|Dakshin Dinajpur district] in West Bengal. There is also a dam constructed on tangan river near boda town, 26'11'32"N 88'28'02" E.
It re-enters Bangladesh and meets Punarbhava River near Rohanpur in Naogaon District.