It was established in August 2003 it covers an area of 2,563 h (9,230 ks) in Kailali District at an elevation of 205 m (673 ft) on the lower slopes of the Siwalik Hills.

[2] This Ramsar site consists of a system of around 13 large and shallow oxbow lakes and ponds with associated marshes and meadows.

It is surrounded by tropical deciduous forest and some streams along the periphery, which are separated by hillocks.

[4] The forest and wetlands serve as a wildlife corridor between the Terai lowland and the Siwalik Hills.

They support critically endangered and vulnerable species including Bengal tiger, smooth-coated otter, Eurasian otter, swamp deer, lesser adjutant stork, red-crowned roofed turtle and three-striped roofed turtle.