Origin : Bhairab River at Chaugacha, Jessore. Outfall: Kholpatua River at Koyra, Khulna. River Type: Tidal river. Length: 180 kilometres (110 mi). Average width: 150 metres (490 ft). Depth: 3.5 to 5.0 metres (11.5 to 16.4 ft). Catchment area: 800 square kilometres (310 sq mi). Minimum flow: February, 2.0 cubic metres per second (71 cu ft/s). Maximum flow: July–August, 80 cubic metres per second (2,800 cu ft/s). 
The lower part of the river is tidal.
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