The Upper Mustang Trek  is considered a moderate to challenging trek in Nepal, primarily due to its remote location in Nepal, high altitude, and rugged terrain. Here are some factors to consider when assessing the difficulty of the Upper Mustang trail:

 About Altitude: The trek/walk takes you to high altitudes, with elevations reaching over 3,800 meters  from sea level(12,500 feet). Altitude sickness can be a concern for some hikkers so it’s essential to acclimatize properly and be aware of symptoms such as headaches, nausea, and fatigue.

Remote Location: Upper Mustang trek is a restricted area and was opened to foreigners only in 1992, which has helped to preserve its unique culture, mountain and landscape. However, the remoteness means that facilities such as lodges and medical assistance may be limited, requiring self-sufficiency and careful before planning trip.

Weather Conditions: The weather in the Mustang region can be unpredictable, with cold temperatures, every day strong winds, and occasional snowfall between Oct to march end  so particularly during the winter and monsoon seasons. Trekkers should be prepared for varying weather conditions and dress accordingly.

Trekking Duration and Distance: The Upper Mustang Trek typically takes around 10-16 days to complete, depending on the specific itinerary. Daily trekking distances can vary, with some days requiring longer 7/8 hours of walking over challenging terrain.

Cultural Experience: While the trip offers stunning landscapes of barren deserts, rocky cliffs, and ancient cave dwellings, it also provides a unique cultural experience, as you’ll encounter Tibetan Buddhist monasteries, traditional villages, and local customs along the way. Immersing yourself in the local culture adds to the richness of the trek but may also present challenges such as language barriers and cultural differences.

Overall, while the Upper Mustang Trek/Walk is challenging, it is also incredibly rewarding, offering trekkers the opportunity to explore a remote and culturally rich region of Nepal. With proper preparation, including physical fitness training, acclimatization, and adequate gear, most trekkers with some hiking experience can successfully complete the journey and enjoy its unique offerings. However, it’s essential to consult with experienced trekking agencies and guides to ensure a safe and enjoyable experience in the Upper Mustang region.

I suggest you below itinerary 2025 :