Step into the “Forbidden Kingdom” and challenge yourself at 3,500–4,200m. Upper Mustang isn’t just a trek. It’s a journey that transforms. Are you ready to conquer heights and history? https://besttrekadventure.com/trips/upper-mustang-trek/ #TrekNepal #BucketListAdventure #uppermustang #trekking #besttrekadventure #mustangregion