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.
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.
Salt domes can be seen in different parts of southern Iran. One of the important examples is Qeshm salt dome. Such salt domes can also be seen on the island of Hormuz.
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
The rocky beach is located about 10 km from the Moqam on the way to Parsian city. The beach has no road and can be reached on foot about 1 km, which usually takes about half an hour.
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.