Mehrian has a clear and beautiful river. This river eventually joins the Beshar River to enter Khuzestan province as one of the tributaries of the Karun River.
Rageh Valley, like many other valleys in Iran, has been created due to water erosion. There is a seasonal river in the depths of this valley, which over time has washed away the soil and rocks and its emergence.
The valley of Kul Khersan in Khuzestan or Eshkaft Zardeh, which is known as the valley of ghosts, is one of the attractions of Iran, which due to its pristine and unique nature.