Upper Mustang trek in Nepal Walled City Lo Manthang • Centuries old monasteries in Tsarang, Lomanthang and Ghar Gompa • Jhong Cave Hidden behind the Himalayan giants Dhaulagiri and Annapurna, Mustang is a small area that lies in the southern border of the Tibetan highland and is a restricted area that requires a special trekking permit through a registered trekking company like Nepal Planet Treks and ExpeditionsPvt. Ltd . The Mustang trekking trail consists of treeless deserted scenery, vertical rocky paths up and down the hill and beautiful views of Mt. Dhaulagiri, Nilgiri, and Annapurna, Tukuche peak, Mustang Himal, Tilicho peak, Arniko Chuli and many other splendid peaks. The route to Mustang demands traveling transversely through arid landscape with barren edges, deep gorges, moraine valleys and eroded rock faces. The trail features barley fields and grazing lands where sheep are seen grazing, and horses walk by carrying heaps. The views