Summary: Where you sleep each night decides whether altitude sickness keeps you awake. This guide lists altitudes of every major overnight stop from Chengdu to Lhasa, safer lower-altitude swaps for high spots (Xinduqiao, Litang, Zuogong), plus room-selection, oxygen and shower tips.

  • Hotel Guides
  • Author: RoamFun Senior Travel Consultant
  • 9/7/2026

318 Highway Lodging Altitudes: Where to Sleep to Avoid Altitude Sickness

Bottom line: The most effective way to beat altitude sickness on the Sichuan-Tibet Highway is not medicine — it is sleeping low. The safe lower-altitude overnight towns are Luding (1,330 m), Kangding (2,560 m), Yajiang (2,570 m), Batang (2,580 m), Bomi (2,725 m) and Nyingchi (2,980 m). Simply remove the high-altitude spots — Litang (4,014 m) and Zuogong (3,750 m) — from your sleep list, and you halve your risk of serious symptoms.

Most people blame daytime mountain passes for altitude sickness. In reality, the throbbing headache and sleepless night usually come from sleeping above 3,500 m. Passing through high altitude by day is manageable; lying still in an oxygen-poor room for eight hours is not. This guide tables every major overnight town from Chengdu to Lhasa and tells you which to keep, which to swap, and how to book smart.


1. Overnight altitude chart (Chengdu to Lhasa)

StopAltitude (m)RiskNotes
Chengdu512NoneStart; rest up
Ya'an640NoneExpressway supply point
Luding1,330NoneLow and restful
Kangding2,560LowOld or new town both fine; mild symptoms possible
Xinduqiao3,300⚠️ Moderate-highGreat photography town, but sleep-sensitive people should swap to Yajiang
Yajiang2,570LowOnly ~1 hour from Xinduqiao; strongly recommended swap
Litang4,014🔴 HighAvoid overnighting unless already acclimatized
Batang2,580LowLast low town in western Sichuan — sleep here
Mangkam3,875🔴 HighFirst town after entering Tibet; rest early
Zuogong3,750⚠️ HighNo lower option on this stretch — manage carefully
Bangda4,120🔴 Very highPass-through only; do not sleep here
Basu3,260⚠️ ModerateAcceptable; most travelers react mildly
Rawok (Ranwu)3,960🔴 HighGreat scenery but high; avoid if sleep-sensitive
Bomi2,725LowLow-altitude oasis amid forests — strongly recommended
Tongmai2,070LowNew bridge era; small stays available nearby
Nyingchi2,980ModerateRelatively high oxygen; most adapt fine
Gongbo'gyamda3,400⚠️ Moderate-highFew sleep here; most push on to Lhasa
Lhasa3,650⚠️ Moderate-highIronically a hotspot for symptoms — rest 1–2 days

2. Three high-altitude sleep traps and their perfect swaps

Trap 1: Overnighting at Xinduqiao (3,300 m)

Xinduqiao is famous for photography, and many guides suggest sleeping there for dawn light. But at 3,300 m it is high for a first visit — first-timers should stay in Yajiang (2,570 m) about an hour away, and simply return to Xinduqiao next morning for the shots.

Trap 2: Overnighting at Litang (4,014 m)

Known as the "highest city", Litang deserves a daytime visit — but not an overnight stay. The right move: spend 2–3 hours exploring, then continue to Batang (2,580 m) or Yajiang to sleep. The Litang–Batang drive is about 190 km / 3 hours on a mature road, and buys you one good night.

Trap 3: Overnighting at Zuogong (3,750 m)

Between Mangkam, Zuogong and Basu there is simply no low-altitude town, so Zuogong is almost unavoidable. Manage it: lie down and observe for an hour before showering or eating; book a hotel with diffuse oxygen; if the headache is clear, visit the local clinic or oxygen bar.

💡 Universal formula: the higher the pass you cross by day, the lower you should sleep that night — e.g., after a 4,000+ m pass, sleep below 3,000 m.


3. Why "sleeping low" is the gold standard

  • Every 1,000 m of altitude cuts air pressure by roughly 11%, and oxygen partial pressure with it; at 4,000 m the oxygen is about 60% of sea level.
  • By day your body compensates; at night, rest makes you more sensitive to hypoxia — hence headaches, insomnia, chest tightness and waking gasping. This is why altitude sickness peaks at night.
  • Years of guiding experience converge on one conclusion: overnight altitude affects sickness more than daytime pass altitude. Priority when booking: altitude < oxygen supply < price < view.

4. Booking and check-in rules that actually help

  1. Filter for "oxygen rooms / diffuse oxygen" when booking — high-end options in Batang, Bomi and Lhasa often have in-room concentrators.
  2. Two absolute don'ts on arrival day: no shower (hot water boosts circulation and bathroom hypoxia), no alcohol and no heavy meals.
  3. Carry a cheap pulse oximeter: if SpO₂ stays below 85% with a headache, don't tough it out — go to a clinic or descend.
  4. Let the room breathe: many symptoms worsen in sealed heated rooms; air the room 10 minutes before closing the windows.
  5. Alternate climb and recover days: Luding → Kangding → Yajiang → Batang → (Mangkam/Zuogong) → Basu → Bomi → Nyingchi keeps your body on a lower, recoverable profile.

5. Budget vs comfort playbooks

StyleStrategyReference price (off-season)
BudgetChain hotels or guesthouses in Luding/Yajiang/Batang/Bomi; one rough night at Zuogong/Basu100–200 RMB/night
Comfort4-star or boutique stays with oxygen in Kangding/Batang/Bomi/Nyingchi250–450 RMB/night
PremiumSleep low all the way + oxygen rooms; oxygen-supplied 5-star in Lhasa500–900 RMB/night

6. FAQ

Q1: Is sleeping in Litang really that bad? A: Not dangerous — just unpleasant. Fit young travelers usually only sleep poorly; but seniors, kids and those with underlying conditions genuinely shouldn't. Avoid it when you can.

Q2: Why do so many people stay at Rawok (Ranwu) at 3,900+ m? A: For dawn light on the lake and Laigu Glacier. The trade-off: bring oxygen, or catch the lake on a daytime Bomi round-trip instead.

Q3: Is a hot shower really forbidden at altitude? A: On the day you arrive at altitude, yes — especially hot water in a sealed bathroom. After 2–3 days of adaptation, a short shower is usually fine.

Q4: I still have a headache in Lhasa. Should I leave? A: Lhasa at 3,650 m gives many people two days of symptoms — normal. If your oxygen is fine and you can eat, rest flat for a day; seek a doctor if it worsens. Most people feel clearly better by day three.


7. What travelers say

"I took the advice and swapped Litang for Batang — slept like a log and was a different person crossing the passes the next day. The guy in the other car slept in Litang and was on oxygen by midnight." — self-drive traveler

"Booked every night using the altitude chart and basically had no altitude sickness, only mild dizziness the first day in Lhasa. Sleeping low really beats taking supplements." — Ctrip user


8. Summary

The 318 never runs short of scenery — what it tests is your sleep quality. Treat "sleep under 3,000 m whenever possible, never overnight above 4,000 m" as law, add no-shower nights, no alcohol, an oximeter and oxygen rooms, and altitude sickness becomes a footnote, not a theme. Ten minutes checking altitude when you book beats 1,000 RMB of oxygen on the road.

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Updated: September 2026 Author: RoamFun Senior Travel Consultant Questions? Contact us: vip@roamfun.net