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.
Various theories have been proposed for this phenomenon, the most likely of which is the increase in ground pressure due to the presence of hydrocarbon gases.
The distance of the rainbow valley from Hormoz is about 7 km, which can be covered in a short time by cars or motorbikes that are used to transport tourists
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.
Gandom Beryan is actually a vast plain covered with volcanic black rocks that absorbs sunlight and its temperature becomes very hot and unbearable in summer and even other seasons.