Upper Mustang Trek explores the forbidden Buddhist Kingdom, Lo Manthang, and takes you across the mysteries and, myths thriving alongside locals. One of the biggest flexes about Upper Mustang is it was closed to foreign travelers for decades. Remaining untouched by the rest of the world for such a long time has preserved and protected the lifestyle and rich cultural heritage of the locals. Over the years, the traditions, practices, and beliefs of the locals have evolved in their distinctive way.