Martian mountains are the result of natural erosion on the sedimentary bed of this region. The type of soil and the animal remains in them are a good indication of the fact that once upon a time, this whole region was the sea.
Due to the volcanic interactions of Sahand Mountains; a view has been created in one of the most pleasant and airy parts of Iran, which seems more like a dream.
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.