Kaluts are natural features that occur due to environmental erosion in sedimentary mountains or hills of desert areas. This erosion can be due to wind or due to rain and running water in the riverbed.
At the end of the road that connects Mesr to Farahzad, there is a large hole with a different view. A large pit known to the locals as the Chal Selkanun (Selkanun pit).
Takht-e Arous is one of the most beautiful desert areas in Iran. Above the Takht-e Arous in the southern view are the sand dunes, Chal Selkanun and the village of Mesr.