mustang is hidden kingdom of Nepal. The dry landscape of this part of Nepal is like Tibet. Tibet is expensive and can be a hard destination to go for many Europeans and Americans. But if you want to explore the similar vibe, upper mustang is a possible thing with ease and good amount of money.
There is 2 section of mustang – upper mustang and lower mustang. Muktinath and thorong la pass is on the lower part of mustang and lomanthang and ko ro la boarder is upper mustang.