The origin of Jawai river is in the hills of Goriya village of Bali town (District Pali), located on the border of Pali and Udaipur districts. Sukri river is its main tributary. The river flows in a north-west direction for about 96 km, before joining Khari River near Sayala in Jalore district, after which it is called Sukri river. Its catchment area is 2,976 km2 in Udaipur, Pali and Jalore districts. Western Rajasthan's largest dam, the Jawai Dam, is located near Sumerpur in Pali district on this river only. The twin cities Sumerpur and Sheoganj in Sirohi district are located on the banks of Jawai river.