16 Day T-sum Valley Trek Cost 2026/2027
The total cost of the 16 Day Trek to the T-sum Valley starts from USD $X and varies according to your group size. Variation in the price can also result when you customize your own itinerary, making changes such as hotel upgrades, add-ons, extra nights at Kathmandu, or no porter required for the trek, which can increase or decrease the overall cost.
Best Time for the T-sum Valley Trek
Spring (March to May) brings beautiful natural scenery, especially in the lower valley around Lakuwa, Chumling, and Ripche, where rhododendron forests bloom with colourful flowers. Days are generally warmer, although afternoon clouds may affect mountain views. Starting early in the morning is recommended for the best scenery.
Autumn (September to November) is considered the most popular trekking season. The weather is generally stable, skies are clear, and the mountain views are spectacular. You can enjoy magnificent views of Ganesh Himal, Sringi Himal, and other snow-capped peaks. The trails are usually dry, and temperatures are comfortable for walking.
Winter (December to February) trekking is also possible, but it can be challenging, particularly in the upper valley around Mu Gompa, where snowfall, freezing temperatures, and icy trails may make walking difficult. Winter trekking is better suited to experienced trekkers with proper clothing and equipment.
Overall, spring and autumn are the most recommended seasons for enjoying the natural beauty, mountain scenery, and cultural experiences of Tsum Valley.
Travel insurance is non-negotiable. Your policy must explicitly cover:
- Trip cancellations, delays, and lost baggage.
- Medical insurance, high-altitude trekking coverage up to 6,000m. Standard travel insurance often excludes trekking above certain elevations.
- Emergency Evacuation. In case of altitude sickness or injury, evacuation from remote areas can be extremely costly without good insurance.
- Accident & injury, protect against trekking - related accidents, includes hospitalization and treatment costs in Nepal or abroad.
- Repatriation. Ensure safe return home in case of serious medical emergencies.
Key tips:
- Check the Policy altitude limit for what it covers
- Verify that the helicopter evacuation is included
- Keep the insurance with you, and carry a printed copy of your insurance policy as well
- Buy insurance before flying to Nepal
Logistics - Permits for T-sum Valley Trek 2026/27
Tsum Valley Restricted Area Permit (RAP)
- September to November: USD 40 for the first 7 days, plus USD 7 per extra day.
- December to August: USD 30 for the first 7 days, plus USD 7 per extra day
Manaslu Restricted Area Permit (MRAP)
- September to November: USD 100 for the first 7 days, plus USD 15 per extra day.
- December to August: USD 75 for the first 7 days, plus USD 10 per extra day.
Manaslu Conservation Area Permit (MCAP): NPR 3,000 (approx. USD 30) for foreign nationals.
Annapurna Conservation Area Permit (ACAP): NPR 3,000 (approx. USD 30) for foreign nationals.
Chumnubri Rural Municipality Fee: NPR 1,000 (approx. USD 8)
Altitude Sickness - What to Know for T-sum Valley Trek
Since this trek takes you above 5,000m at both base camps, every trekker should prepare for altitude sickness and take it seriously. Common symptoms of Acute Mountain Sickness (AMS) include headache, nausea, vomiting, loss of appetite, fatigue, weakness, dizziness, and difficulty sleeping.
HAPE (High-Altitude Pulmonary Edema) is a serious condition in which fluid builds up in the lungs. Warning signs include: Shortness of breath, even when resting
Persistent cough, sometimes with pink or frothy sputum
Chest tightness or a feeling of congestion in the lungs
Blue or grey lips or fingernails
Unusual or extreme fatigue and difficulty walking
HACE (High-Altitude Cerebral Edema) is another life-threatening form of altitude sickness caused by swelling of the brain.
Warning signs include:
Severe or worsening headache
Confusion or unusual behaviour
Difficulty walking straight or maintaining balance
Loss of coordination
Extreme drowsiness or reduced consciousness
HAPE and HACE can develop when the body does not adjust properly to high altitude. Rapid ascent and inadequate acclimatization increase the risk. Alcohol and overexertion can also make altitude-related problems worse. Proper acclimatization, a gradual ascent, and listening to your body are essential throughout the trek.
What to Do If Symptoms Appear?
Stop ascending immediately if you develop symptoms of altitude sickness.
- If symptoms are mild, rest at the same altitude and inform your guide. Do not continue higher until symptoms have completely resolved.
- If symptoms worsen or do not improve, descend to a lower altitude with assistance.
- If HAPE or HACE is suspected, descend immediately. Do not wait until the next morning or wait to see whether medication works.
Seek urgent medical assistance. Oxygen and appropriate medication may be needed, but they must not delay descent when serious symptoms are present.
Our Guides' Role in Altitude Safety
Our guides carry a pulse oximeter and regularly check trekkers' oxygen saturation and pulse during the journey. These readings can help monitor your condition, but they cannot diagnose or rule out altitude sickness on their own. Your symptoms and overall condition are always important.
We explain altitude safety to every trekker on the first day. If your guide advises you to stop ascending or descend for safety reasons, please follow their instructions immediately. Your health and safety always come before reaching the next village or either base camp.
Medication, Insurance and Emergency Evacuation
Some trekkers use Diamox (acetazolamide) to help prevent altitude sickness. We strongly recommend discussing its suitability, dosage and possible side effects with your doctor before travelling. Do not start or change medication without appropriate medical advice.
In a serious emergency, helicopter evacuation may be possible from suitable locations along the route, depending on weather, visibility and operating conditions. This is why comprehensive travel insurance is essential. Make sure your policy specifically covers high-altitude trekking, emergency helicopter evacuation, and medical repatriation.
Medical Disclaimer: This information is provided for general awareness and preparation. It is not a substitute for professional medical advice, diagnosis, or treatment. Consult your doctor before undertaking this high-altitude trek, especially if you have any existing medical conditions or concerns. Always follow qualified medical advice and your guide's safety instructions during the trek.
Important safety point: HAPE and HACE are medical emergencies. A trekker showing signs of either condition needs immediate assisted descent and urgent medical attention. A pulse oximeter reading that appears normal should never be used as a reason to ignore serious symptoms.
Accommodation on the T-sum Valley Trek
T-sum valley trek is a straight teahouse trek. This route runs through remote valleys where tourism still hasn’t flourished and there is minimal tourism infrastructure, nothing like the built-up lodges you'd find on Everest Base Camp or Annapurna Base Camp. Rooms are basic: twin beds, shared bathrooms in most places, and just enough warmth in the dining hall to make the evening feel worth it.
That said, things are slowly changing. Basic teahouses in villages like Chumling, Chhokangparo, and Nile/Chhule are gradually being upgraded into proper village lodges, so the experience is a little more comfortable now than it was a few years back. However, this untouched, rustic and still beauty is what makes T-sum valley more attractive. Near Mu Gompa, at the top of the valley, accommodation gets simpler again as you're staying close to the monastery itself, but this minimal facility stop arguably has the best view in the whole trek.
Electricity for charging and WiFi are available at most stops now, though don't expect fast or reliable connections the higher up you go and pack a power bank with you as it saves your expense as well as comes in hand in case there is no electricity in your stop.
Also, hot showers are available at the lower trails for a small fee of around USD$2-5 and almost get scarce as you climb higher. Our guides always recommend not to take much shower the higher you climb, especially on the day before your pass crossing.
Remember that the tea houses don't really accept cards or USD$. So, it is always the best to exchange Nepali currency in Kathmandu enough for your expense in the trail as you won’t find an ATM on the remote trails, and even if you find one, it doesn’t really work.
Food and Meals on the T-sum Valley Trek
Meals here on the T-sum valley route lean heavily on dal bhat which is Nepal's staple consisting of lentils, rice, and vegetables. Alongside that, you'll see a lot of local grains that don't show up as much on the busier routes such as millet, maize, and buckwheat, plus seasonal vegetables like potatoes, leafy greens, and beans, depending on what's growing at the time.
What sets Tsum really apart is the cultural food that you won't typically find on Everest or Annapurna menus. Tsampa (roasted barley porridge) is a Tibetan staple that has been keeping trekkers and locals going through this valley for generations, and yak butter tea is worth trying at least once, even if the flavor takes some getting used to. You'll also come across butter and salt tea; the traditional Sherpa drink, made with salt, butter, tea, and milk, which shows up more in this region's high-altitude villages than almost anywhere else in Nepal.
NOTE: If you have specific dietary requirements, food allergies, or preferences, we can arrange a dedicated cook guide to accompany you throughout the trek. They will prepare your meals according to your needs, helping ensure that your dietary requirements are carefully considered at every meal along the trail.
Why Trek T-sum Valley with Advent Himalaya Treks?
Anyone can take you to T-sum Valley. What really matters is who you travel with and the experience you have along the way.
- A family-run company, not a franchise. Advent Himalaya Treks was started by Babu and his family and is still run by the same family. When you contact us, you speak directly with Babu, who knows the trails and the journey you are planning.
- Experience our family hospitality. Before or after your trek, join us at home for a hands-on momo-making session. Learn our family recipe, cook together, and enjoy an authentic Nepali meal.
- Experienced guides and a trusted team. Your trek will be led by an experienced guide who has completed the Kanchenjunga route 9–10 times, including at least five times as the main guide. Our guides and porters are part of our extended family, including Dawa, who has been with us for 19 years.
- Private airport pickup and drop-off. Babu, Meera, or both will personally welcome you at the airport and arrange your private transfer.
- Flexible, tailor-made itineraries. The itinerary is a starting point. We can adjust the route, pace, and arrangements to suit your interests and group.
- We take care of the details. From permits and flights to weather delays and gear arrangements, our team handles the logistics so you can focus on enjoying the trek.
- Personal pre-trek briefing. Meet Babu or your assigned guide before departure to discuss the route, altitude, equipment, and any questions you may have.
- Gear and dietary support. We can provide sleeping bags and down jackets, help arrange other equipment for purchase or rental, and accommodate dietary needs. For groups with specific food requirements or allergies, we can arrange a cook guide when needed.
With Advent Himalaya, you're not just booking a trek; you're joining a local family that genuinely cares about your Himalayan experience
