It flows by the side of Khulna, and connects to the Bay of Bengal through Poshur river at Mongla channel. Near Chalna, it changes its name to Pasur River and flows into the Bay of Bengal.
A significant number of fisheries, dockyards, shipyards and factories are situated on the bank of this river. A significant number of families depend on catching fish in the river. There is a bridge over the river named Khan Jahan Ali Bridge. This bridge connects Khulna and Bagerhat Districts.