Lomanthang Rural Municipality is situated at north-part of Mustang district. It is most height residence of human civilization. This Rural Municipality was established in 2073 B.S. by combining then Lomanthang, Chhoser and Chhonhap Village Development Committees. This covers total area of 727 kilometer square. Total population of this Rural Municipality is 1,899. This local unit is surrounded by Chinese border from east, west and north and Dalame Rural Municipality from south. This local unit is named after Lomanthang valley. This is upper mustang area. This is divided into five wards. Recently this rural municipality has connected with road network. Is is the thrilling destination of many tourists across the world.

Lo is the northern two-thirds of Mustang district, culturally and linguistically influenced by Tibet, while the southern third is called Thak, the homeland of Thakali people who speak a different language and have a synthesis of Tibetan and Nepalese culture. Recently a series of at least twelve caves were discovered north of Annapurna and near the village, decorated with ancient Buddhist paintings and set in sheer cliffs at an elevation of 14,000 feet (4,300 m).

Except tourism, animal husbandry is major occupation here. Thakali and Tibetan ethnic communities live here. Buddhism is major religion and Thakali and Nepali are major languages. Mr. Subarna Kumar Bista is Chairperson and Ms. Pema Dolma Bista is Vice-chairperson of this Rural Municipality. Total number of local representatives is 27 and staff is 28.