The salt mountain of Khoja Mumin is located in the south of Tajikistan, 25 kilometres southwest of Kulyab on the shore of the Yakhsu River. Khoja Mumin in shape resembles a giant dome, towering 900 m above the surrounding plain (absolute height 1332 m). It is visible from kilometers away.

There are many legendsand stories amongthe people of Kulob regionundiscovered secrets of this mountain. However, serious scientific research were not conducted on this site. According to the most experienced and ancient residents of the area, the first miracleof this site is the way to reach the top of the mountain.This way changesin each trip and no one has ever climbeda mountain and gonedown the same path. Tourists who do not believe in this miracle have to climb this mountain once. There is a short legend about the origin of this mountain, as if a nobleman named Khoja Mumin asked his brother Khoja Sartez for salt and was refused. Khoja Mu’min the raised his hand to God and begged to turn him into a mountain of salt and relieve the people from this need need. From this time till now people come to worship and prayer at Khoja Mu’min’s shrine.

The area of salt marshes is 600 hectares and its volume is 55 km. Khoja Mumin consists mainly of salt rock, known in mineralogy as halite (salt). The thickness of salt reaches 200-240 m. According to experts, the salt reserves of Khoja Mumin are about 40-50 billion. The depth of the salt rock is still unknown.The famous Venetian traveller Marco Polo (13th century), who came here, wrote: "As long as the world exists, the salt of this mountain is enough for the population of the globe." These were the first observations. But serious scientific research began during the Soviet era. This giant lump consists almost entirely of salt, only the top and some of the slopes are covered with a thin layer of soil. The cap of this salt mushroom has an area of 40 square kilometers! A small town can be easily located on the top of the salt mountain consists of pink and green-blue salt, which plays with all the colors of the rainbow on the steep slopes, the height of which reaches 150-200 meters.
Khoja Mumin is also famous for its musical caves; passages washed out by underground rivers and streams form such a unique structure of a natural organ that visitors can hear polyphonic and multi- tone musical works. Geologists call these formations "salt domes".