Mustang lo mangthang offer beautiful landscape, Himalayan views , Tibetian Thakali culture , ancient monasteries as well as mustangi king. Upper mustang trekking open after 1992. Upper mustang trekking required special trekking permit through government registered Nepal trekking agency. Only limit trekkers can trekking in Mustang region. Mustang, “The last Forbidden Kingdom” is situated north of the Himalayas and juts out onto the Tibetan Plateau. Mustang trekking region has more in common culturally and geographically with Tibet than it does with the rest of Nepal. Mustang retains much of its cultural autonomy and is administered by its own King or Raja, the 25th successor of his lineage. Lo Manthang is one of the most attraction destination of this trekking.