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.
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.
Gel-Afshan-e Chegardani-Lash is located near a village of the same name, which is necessary to visit with the help of local people due to the lack of traffic signs.
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.
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