Rainbow Cave is located in the southeastern part of the island, about 10 km from Hormoz. It is a bit difficult to reach, but it can be crossed by everyone with caution.
This type of colorful mountains can be seen in several parts of East Azerbaijan province. One of the best and most accessible is the highway from Ahar to Tabriz and about 20 km from Tabriz.
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.