Upper Mustang trek is one of the historical and remote areas trekking in Nepal. Which is lies in Trans Himalayan district of Western region of Nepal. This is remote trek with adjoining plateau of Tibet, where you can find the real Himalayan cultures domain by the Tibetan society. During your trek may explores the ancient Monastery, more than thousand years of hundreds ruined cave and Himalayan mountain desert with local tribes domain with Tibetan society are the main attraction of this areas.  This region is located on the western Himalayan range and adjoining with Tibetan border of the Nepal. Mustang is a rain shadow area and still has a Mustangi Raja (state king of the Mustang) only one state king of Nepal.
The trip starts from the beautiful Lake Town of Pokhara and crossing the Annapurna conservation area to get to Upper Mustang entry border. Either fly to Jomsom or walk from the Beni will reach at entry point of Mustang called Kagbeni. We start our trek through the Holy river bank of Kaligandaki and follow the up stream to get to Lo-Mangthang, which is capital of the Mustang. On this trek you may have chance to explore the thousand years of old monastery, caves, local tribes and scenic beauties of the different landscapes. You’ll have a great chance to accomplish the blessing from the King and the royal palace during the visit. The trek to Lo-Manthang is through an almost tree-less barren landscape, a steep rocky trail up and down hill and panoramic views of Nilgiri, Annapurna, Dhaulagiri and several other peaks make your remarkable adventure holiday.
The Home Ministry of Nepal announced the opening of the restricted areas in October 1991. There is also strict control in obtaining a special permit from the Department of Immigration to protect their tradition from outside influence as well as to protect their environment. The high desert region of the Tibetan influence, Kaligandaki, from the Tibetan border south to Kagbeni is generally referred to as “Upper Mustang" that has its own nominal king.