Soan/سواں‎)/ Swan/Sawan/Sohan

Soan River, also Sawan and Sohan, is a 250 kilometres (160 mi) long river in Punjab, Pakistan. It originates from the Murree Hills and drains into the Indus River near Makhad. A seasonal river, it is almost entirety fed by rainwater during monsoon.

Source: Wikipedia https://en.wikipedia.org/wiki/Soan_River