Jaldhaka River' one of the trans-boundary rivers, originates from the himalayas of southeast Sikkim and flows over Jalpaiguri and Kuchbihar. The river enters Bangladesh through lalmonirhat district. After entering Bangladesh, the river joins with the dharla and flows as Dharla before debouching into the brahmaputra near kurigram. The total length of the Jaldhaka is about 192 km of which a little part lies within Bangladesh. [Md Mahbub Murshed]
See map in brahmaputra-jamuna river system.