Upper Mustang Trek Distance and Difficulty: What the Forbidden Kingdom Demands

The Upper Mustang trek covers about 130 kilometres (80 miles) over seven walking days. Lo Manthang sits at 3,840 metres and the highest point on our itinerary is Choku La at 4,290 metres, still lower than most major Nepal treks. The difficulty comes not from altitude or extreme terrain but from distance, remoteness, wind, and the relentless aridity of a landscape that feels more like Tibet than Nepal.

What Is the Total Distance?

The standard Upper Mustang trek (10 days) starts and ends in Kagbeni (2,804m), with a long drive from Kathmandu at each end. The walk to Lo Manthang (3,840m) and back covers about 130 kilometres. The route follows the Kali Gandaki valley north through progressively drier terrain, crossing the old salt trading route that connected Tibet to the Indian plains for centuries.

Unlike circuit treks (Annapurna, Manaslu), Upper Mustang is mostly an out-and-back route, but ours is not the same trail both ways. You walk north through Dhakmar and Ghar Gompa and over the Choku La into Lo Manthang, spend a full day exploring the walled city, then come back south over the Lo La through Tsarang. From Ghami to Kagbeni you retrace the trail you walked on the way up.

How Far Do You Walk Each Day?

Day	Route	Distance	Altitude	Hours
1	Kathmandu to Kagbeni (drive)	350 km by road	1,400m → 2,804m	10-14h
2	Kagbeni to Chele	14 km	2,804m → 3,055m	5-6h
3	Chele to Syangboche	15 km	3,055m → 3,800m	5-6h
4	Syangboche to Dhakmar	17 km	3,800m → 3,820m	6-7h
5	Dhakmar to Lo Manthang via Ghar Gompa and the Choku La	17 km	3,820m → 4,290m → 3,840m	7-8h
6	Lo Manthang exploration	Short walks	Around 3,840m	Flexible
7	Lo Manthang to Ghami via the Lo La and Tsarang	23 km	3,840m → 3,520m	7-8h
8	Ghami to Samar	21 km	3,520m → 3,610m	7-8h
9	Samar to Kagbeni	21 km	3,610m → 2,804m	6-7h
10	Kagbeni to Kathmandu (drive)	350 km by road	2,804m → 1,400m	10-14h

The return days are longer because you cover more ground each day. Days 7, 8 and 9 are 21 to 23 km each, the longest of the trek. Day 8 climbs back over the Nyi La (4,010m), so it is not all downhill, and all three are demanding after a week on the trail.

What Is the Difficulty Rating?

We rate Upper Mustang at 3 out of 5, moderate. The difficulty is not altitude (the highest point, Choku La, is 4,290m and you cross it in a day) but endurance, climate, and remoteness.

• Altitude: Low for Nepal. Maximum 4,290m on Choku La. Mild altitude symptoms are possible, so the usual slow-ascent rules apply.
• Physical fitness: Moderate-High. You walk 14 to 23 km a day for seven walking days.
• Technical skills: None. The trail is a wide path, in some places a jeep track.
• Climate: The real challenge. Wind, dust, and sun in a high-altitude desert. SPF 50, lip balm, and a buff for your face are essential.
• Duration: Ten days from Kathmandu, including a full day in Lo Manthang and a long drive at each end.

What Makes Upper Mustang Difficult?

The Wind

The Kali Gandaki valley funnels wind from the Tibetan plateau southward every afternoon. By 1:00 or 2:00 pm, gusts reach 40 to 60 kilometres per hour, strong enough to push you sideways on the trail and fill your eyes, ears, and camera with fine dust. Every Upper Mustang itinerary starts early (7:00 am) to cover maximum distance before the afternoon wind arrives.

The wind is not dangerous but it is exhausting. Walking into a headwind at 3,500 metres doubles your perceived effort. Walking with a tailwind feels like cheating. Your guide plans the direction of each day to take advantage of wind patterns where possible.

The Aridity

Upper Mustang sits in the rain shadow behind the Annapurna and Dhaulagiri ranges. Annual rainfall is under 200mm, less than most deserts. The air is dry enough to crack your lips, dehydrate you faster than you expect, and turn your skin to sandpaper by day three. Drink at least three litres of water per day and moisturise every night.

The Long Return Days

Walking 21 to 23 kilometres a day on the return is the physically hardest part of the trek. You have been walking for most of a week. Your legs are tired. From Ghami south the scenery is familiar because you walked through it on the way up. And the afternoon wind is pushing against you on some sections. These are grind days that test your mental endurance more than your physical fitness.

How Does Upper Mustang Compare to Other Treks?

Trek	Distance	Max Altitude	Difficulty	Main Challenge
Upper Mustang	130 km	4,290m	3/5	Wind, distance, aridity
ABC	110 km	4,130m	3/5	Steepness, stone steps
Langtang	80 km	4,984m	3/5	Altitude, steep Day 1
Annapurna Circuit	200 km	5,416m	4/5	Thorong La pass
EBC	130 km	5,545m	4/5	Sustained high altitude

Upper Mustang is a cultural trek first and a physical trek second. The difficulty is real but the reward is not a mountain summit or a pass crossing. It is Lo Manthang, a medieval walled city that feels like stepping into a different century. The cave monasteries, the Tibetan art, and the wind-carved landscape are what you remember, not the kilometres.

Can a Beginner Do Upper Mustang?

Yes, with one caveat. The daily distances (up to 23 km) require endurance that beginners often underestimate. You do not need altitude fitness or technical skills, but you need to be comfortable walking 15+ kilometres for consecutive days on uneven terrain. If you can handle that, Upper Mustang is one of the most accessible restricted-area treks in Nepal.

The lack of extreme altitude makes it a good choice for older trekkers, people who struggle above 4,000 metres, or anyone who wants a Himalayan experience without the physical extremes of EBC or the Annapurna Circuit.

See our Upper Mustang Trek (10 Days) for the full itinerary and current pricing including the restricted area permit.

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Written by Shreejan Simkhada, CEO of The Everest Holiday and third-generation Himalayan guide. TAAN Member #1586.