Similar to most Himalayan country walks that include ups and downhill, Upper Mustang is not a difficult trek, it is just walking on high altitude and dry terrain, it makes trekkers tired. But one can take it slowly with enough short rest, it will be good to cover the day walks to each overnight stop.
Much of the trail is well defined and straightforward towards Lo-Manthang the last destination from Jomsom. Having enough rest days makes the adventure much enjoyable and getting well acclimatized at every overnight stop at certain heights.
From winter times of December to early spring in February and March gets much snow around Upper Mustang. Where trekking is not done during this low season. The village will be almost empty and deserted, as the local migrates to lower warm areas to escape the winter cold with much snow.
Minimum age of 12 to 14 years, and not older than 65 years, should be in good physical shape and in sound health to cope with high hills and altitude.
From the start at Jomsom to the last overnight stop in Lo-Manthang there is electricity, but from Chusang onwards few places with hydropower. Smaller settlements around Syangboche, Ghiling runs electricity by solar energy, where you can charge your gadgets. Where you need to pay for every item per hour to the owner of the lodge.
Depending upon the seriousness of the illness, if it’s a critical situation the client needs immediate evacuation for medical help, by any means of fast transportation. The fastest way in Nepal Himalaya and on route to Upper Mustang is taking a private jeep ride or similar four-wheelers and Helicopter Service. Our guide will inform the head office to arrange a Helicopter to evacuate the sick person. From the nearest spot where a helicopter can land and then fly to Pokhara or Kathmandu and admit to the best hospitals for further treatment.