The salt dome of Qom is located 15 kilometres away from the Qom-Jafarieh road in central Iran. With a small lake in its heart, the dome is considered a unique phenomenon.
According to a Farsi report by ISNA, the salt ponds are found in tropical areas, where the hot temperature vaporises the salty waters accumulated after the seasonal rainfalls to form the salt domes in very beautiful, various shapes.
Here you can see ISNA’s photos of Qom salt dome, which annually attracts lots of tourists:
