The Three Passes Trek packing list builds on a standard Everest kit but adds a -15 °C sleeping bag, microspikes for the Cho La glacier, and a 50–60 litre pack for the longer pass days. The 166 km loop crosses three passes above 5,300 m over 18–21 days, so warmth and reliability outrank ultralight weight.
How is packing for Three Passes different from Everest Base Camp?
The Everest Three Passes Trek is teahouse-based like the standard route, so you still skip the tent and stove. The differences come from the passes: colder high camps, a glacier crossing on Cho La, and longer days that need more carried food and water. Compared with the Everest Base Camp Trek, you add traction devices, a warmer bag, and slightly more pack volume.
Which backpack suits the Three Passes Trek?
Choose 50–60 litres if you carry your own kit. The Zpacks Arc Haul Ultra 60 keeps weight near 800 g while still hauling layers, microspikes and pass-day food. For maximum load support under 15+ kg, the Deuter Aircontact Lite 45+10 transfers weight to the hips superbly. Porter-supported trekkers can carry a smaller summit pack such as the Zpacks Arc Scout 37L on pass days.
The cold-weather clothing system
The passes are windswept and cold even in October, so the four-layer system runs warmer than on the standard route:
- Base: two merino long-sleeve tops and bottoms.
- Mid: a fleece plus a synthetic active-insulation jacket.
- Insulation: an 800-fill down jacket of 400–500 g for pass mornings.
- Shell: a 3-layer hardshell jacket and trousers.
Add insulated gloves with liners, two warm hats, a buff, and category-4 glacier sunglasses, which are non-negotiable on the snow-covered passes where UV exceeds index 10.
Sleep system and traction for the passes
High camps at Lobuche (4,940 m), Gokyo (4,790 m) and Dzongla (4,830 m) get bitterly cold. Carry a sleeping bag with a -15 °C comfort rating, a liner for an extra 3–5 °C, and an insulated pad with R-value 3+. The single most important Three Passes addition is microspikes or lightweight crampons for the Cho La glacier, which can be icy at dawn. Trekking poles are essential for the steep, loose pass descents.
Complete Three Passes packing checklist
| Category | Items |
|---|---|
| Pack | 50–60 L pack, summit daypack, dry bags |
| Clothing | 2 base layers, fleece, synthetic + down jackets, hardshell |
| Sleep | -15 °C bag, liner, R3+ pad |
| Traction | Microspikes, trekking poles |
| Footwear | Waterproof boots, camp shoes, 4 wool sock pairs |
| Health | First aid, Diamox, sunscreen, water filter |
Food, water and small essentials
Pass days can run 8–10 hours with no teahouse in between, so carry 4–6 high-calorie snack bars and 2 litres of water plus purification. A 20,000 mAh power bank covers charging, which is scarce and costly above 4,000 m. Pack a headlamp of 300+ lumens for pre-dawn pass starts and SPF 50 sunscreen and lip balm for relentless glare on snow.
What to rent or buy in Nepal in 2026
As of 2026, Kathmandu and Namche rent four-season bags, down jackets and poles, and shops in Namche sell microspikes, sunscreen and gloves. This keeps your luggage light while ensuring you have glacier-ready traction. Confirm current park rules through the Nepal Tourism Board and tailor your medical kit using Himalayan Rescue Association altitude guidance.
How do you fuel the long pass days?
Pass days on the loop can run 8–10 hours with no teahouse between the start and the next valley, so food strategy matters more than on the standard route. Carry 4–6 calorie-dense snacks per pass day, energy bars, nuts, chocolate and dried fruit, totalling around 1,500–2,000 kcal of trail food, on top of teahouse breakfast and dinner. Bring electrolyte tablets, since you lose significant salt sweating under load even in cold air, and 2 litres of water with purification. Stock up on snacks in Namche Bazaar, where prices are far lower than at high teahouses.
How should you pack and protect your gear?
Line your pack and split gear into dry bags, as snow flurries and stream crossings near the passes will wet anything exposed. Keep microspikes, gloves and your down jacket at the top for fast access on cold pass mornings. Balance the load with heavy items high and against your spine. A 50–60 litre pack with a strong hip belt, such as the load-transferring Deuter Aircontact Core 50+10 or the lighter Zpacks Arc Haul Ultra 60, keeps the weight stable on the boulder fields below Kongma La (5,535 m). Compared with the standard Everest Base Camp Trek, the only additions are microspikes, a warmer bag and a little extra volume; everything else on this Three Passes list mirrors a normal Khumbu kit. Self-carry trekkers wanting ventilation can also consider the Osprey Aether 65 for 2026.
What footwear and traction do the passes demand?
Footwear is critical on a route that mixes valley trail, boulder fields and an icy glacier. Wear broken-in mid-cut waterproof boots stiff enough to accept microspikes and supportive on uneven ground; break them in over at least 50 km first. The non-negotiable addition over the standard route is microspikes or lightweight crampons for the Cho La (5,420 m) glacier, which is often icy at dawn, available in Namche Bazaar for EUR 25–40 if you do not own a pair. Bring four wool sock pairs plus liner socks to cut friction, and camp shoes for evenings. Trekking poles are essential, reducing knee load by up to 25 percent on the steep stone descents off Renjo La (5,360 m). Keep traction and gloves accessible at the top of a 50–60 litre pack such as the Zpacks Arc Haul Ultra 60 or load-hauling Deuter Aircontact Core 50+10 for fast cold-morning access on the Three Passes loop.
Frequently Asked Questions
Do you need crampons for the Three Passes Trek?
You need microspikes or lightweight crampons for the Cho La (5,420 m) glacier crossing, which is often icy at dawn. Full mountaineering crampons are usually unnecessary in peak season, but traction devices are essential and can be bought in Namche.
How warm should your sleeping bag be for the Three Passes Trek?
A sleeping bag rated to -15 °C comfort is recommended because high camps at Lobuche, Gokyo and Dzongla all sit above 4,800 m and turn bitterly cold at night. Add a liner for another 3–5 °C of warmth.
What size backpack do you need for the Three Passes Trek?
A 50–60 litre pack suits self-carry trekkers, allowing room for a -15 °C bag, microspikes and pass-day food. If a porter carries your duffel, a 35–40 litre summit pack is enough for daily layers and water.
How much water should you carry on pass days?
Carry at least 2 litres plus purification on pass days, since crossings of Kongma La, Cho La or Renjo La can take 8–10 hours with no teahouse in between. Staying hydrated also lowers your altitude-sickness risk.
Can you buy trekking gear in Namche Bazaar?
Yes. As of 2026 Namche Bazaar stocks microspikes, down jackets, sleeping bags, poles, sunscreen and gloves, both for sale and rent. It is the last major resupply point before the high passes, so buy anything missing there.
How heavy is a fully packed bag for the Three Passes Trek?
With a porter carrying your duffel, your daypack runs 6–8 kg of water, layers, snacks and microspikes. Carrying everything yourself, expect 13–15 kg including a -15 °C sleeping bag and traction. Agencies typically cap porter loads at 20–25 kg shared between two trekkers, so pack with that ethical limit in mind.
