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Altitude Check · Bolivia Travel Health

Altitude sickness in
La Paz, Bolivia

La Paz is one of the highest capital cities in the world at 3,640m — and most visitors arrive by air directly from sea-level cities. Over a third experience altitude sickness on arrival. Know your risk.

3,640m
La Paz city centre
11,942 feet
4,150m
El Alto airport
where you land
~35%
Visitors with AMS
on arrival
~74%
Oxygen in La Paz
vs sea level

Medical disclaimer: This calculator provides general guidance only and is not a substitute for professional medical advice. Consult a doctor or travel medicine clinic before travelling to high altitude, especially if you have any pre-existing health conditions.

La Paz altitude facts

La Paz has a critical quirk that surprises many travellers: the airport (El Alto) sits at 4,150m — significantly higher than the city centre at 3,640m. This means you actually arrive at the highest point before descending by road into the city. The taxi ride down from El Alto to central La Paz descends over 500m. Despite this, the city is still at serious altitude — and the airport arrival is typically the most challenging moment for AMS.

4,150m
El Alto airport elevation
3,640m
La Paz city centre
74%
Oxygen in La Paz vs sea level
2–3 days
Typical acclimatisation time

La Paz is commonly a gateway to Uyuni Salt Flats (3,656m) and Lake Titicaca (3,812m) — both at comparable altitude. Spending 2–3 days acclimatising in La Paz before heading elsewhere in Bolivia is standard and strongly advisable.

Altitude levels across Bolivia

DestinationAltitudeAMS RiskNotes
El Alto Airport4,150m · 13,615ftHighWhere you land. Highest commercial airport in the world.
La Paz city centre3,640m · 11,942ftModerate–High~35% of visitors affected on arrival.
Lake Titicaca3,812m · 12,507ftModerate–HighAcclimatise in La Paz first.
Uyuni Salt Flats3,656m · 11,994ftModerateSimilar to La Paz. Don't rush here from sea level.
Potosí3,967m · 13,015ftHighOne of the world's highest cities. Visit after acclimatising.
Chacaltaya5,421m · 17,785ftVery HighDay trip from La Paz — only with full acclimatisation.

Recommended acclimatisation for La Paz

Arrival — El Alto Airport
You arrive at 4,150m. This is the critical moment.

The airport is the highest point of your journey. Move slowly. Drink water immediately. Do not rush. The taxi descent to La Paz (500m lower) will help, but you will feel the altitude on arrival. Don't be surprised if your head is pounding within an hour.

Day 1 — Arrive in La Paz
Hotel, water, rest. Nothing else.

Check in, drink 3–4 litres of water, and rest. Many La Paz hotels offer oxygen on arrival — use it if your headache is severe. Eat lightly. No alcohol. Coca tea is widely available and worth trying.

Day 2 — Gentle exploration
Flat terrain, slow pace, monitor symptoms.

If feeling well, explore the Witches' Market and lower city streets. La Paz is dramatically hilly — the lower zones are easier. Avoid the steep uphill climbs on day two.

Day 3+ — Full La Paz experience
Cable cars, markets, day trips if symptom-free.

La Paz's extraordinary cable car network (Mi Teleférico) is a brilliant acclimatised way to see the city — it lifts you into El Alto without physical exertion. If feeling well by day three, you're ready for the full experience.

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6 ways to reduce your risk in La Paz

Frequently asked questions

Why does La Paz airport feel worse than the city?
El Alto International Airport sits at 4,150m — 510m higher than La Paz city centre. The airport is the highest commercial airport in the world. Many visitors feel the worst of their altitude symptoms during and immediately after landing, before the taxi descent into the city provides partial relief. This is normal and expected. The 30–45 minute descent into La Paz is genuinely helpful.
How does La Paz compare to Cusco for altitude sickness risk?
La Paz and Cusco are at almost identical altitudes — 3,640m and 3,400m respectively. La Paz is slightly higher, and the airport arrival at 4,150m makes the initial experience more intense. Both cities have AMS prevalence of around 35–40% in first-time visitors who fly directly from sea level. The acclimatisation strategies are essentially the same: rest on arrival, hydrate, avoid alcohol, and give yourself 2–3 days before exertion.
Can I visit the Uyuni Salt Flats from La Paz without extra acclimatisation?
Uyuni (3,656m) is at a similar altitude to La Paz, so additional acclimatisation above what you've already done in La Paz is not required for the salt flats themselves. However, some Uyuni tours include visits to high-altitude geysers and lagoons at 4,000–5,000m. For these extensions, you should be well acclimatised in La Paz first — at least 2–3 nights — before departing.
Is La Paz safe for people with heart conditions?
People with significant cardiac conditions should consult a cardiologist before travelling to La Paz. The combination of altitude (reduced oxygen) and the cardiovascular demands of the city's steep terrain creates a meaningful stress on the heart. Many people with well-managed heart conditions visit La Paz safely — but only with proper pre-travel medical assessment, Diamox if appropriate, and a conservative activity plan on arrival.

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