Nepal hit 7.8 magnitude Earthquake on 25 April 2015. Some trekking routes are affected. In the case Of upper Mustang the area is totally safe for trekking. The forbidden kingdom Mustang is famous for its Tibetan Culture, People, Ancient cave, mustang architecture of Kathmandu, incredible landscape and others. while the land itself is almost treeless, barren landscape with a countryside similar to Tibetan plateau, but where beauty and happiness flourishes, in spite of hardship. This was part of the Tibetan Kingdom of Gungthang until 1830's. The fabled medieval wall city of Lo Monthang, unofficial capital of Mustang still remains a kingdom within a kingdom its full of culture and religious heritage. The early history to Lo Monthang is embellished in myth and legend rather than the recorded fact. Mustang has maintained its status as a separate principality until 1951.