Upper Mustang Trek is one of the off the beaten trekking which was opened to trekkers and traveler in1992. It is provide access to only limited numbers of visiters so as to protect and conserve its fragile environment and cultural stupas & monastries. Mustang, also known as the forbidden kingdom of Nepal is unique in geography along with unique lifestyle. Trekking to this region unfolds the breath taking views of wide range of mountains like Mt.Nilgiri, Mt. Tukuche, Mt. Annapurna and Mt. Dhaulagiri.