Can I skip the acclimatization if I'm young and fit?

No. Altitude sickness affects people regardless of fitness level or age. Even Olympic athletes get altitude sickness. Physical fitness doesn't protect you from reduced oxygen levels.

What if I only have one day in Cusco before my trek?

One day is risky but possible with medication and careful planning. Take Diamox 2 days before arrival, avoid alcohol completely, and consider a less strenuous trek or tour option.

Is the altitude at Machu Picchu worse than Cusco?

No. Machu Picchu sits at 7,970 feet while Cusco is at 11,200 feet. Once you're acclimatized to Cusco, Machu Picchu will feel easier. The Inca Trail peaks higher at 13,800 feet.

Should I bring oxygen canisters?

Generally unnecessary for healthy adults. Focus on proper acclimatization instead. Oxygen canisters provide only temporary relief and create dependency. Save money and luggage space.

Can children acclimatize to Cusco's altitude?

Children over 8 generally handle altitude well, often better than adults. Watch for symptoms they can't articulate like unusual fussiness or loss of appetite. Consult pediatrician before giving altitude medication to kids.

How to acclimatize properly for Cusco and Machu Picchu

Arrive in Cusco 2-3 days before trekking to adjust to 11,200 feet elevation. Take altitude sickness medication starting 1-2 days before arrival, stay hydrated, avoid alcohol initially, and ascend gradually. Most visitors feel significantly better by day 3.

Start altitude medication before you arrive. Begin taking acetazolamide (Diamox) 125-250mg twice daily starting 1-2 days before reaching Cusco. Consult your doctor first. This prevents rather than treats altitude sickness.
Plan your arrival timing. Fly into Cusco 2-3 days minimum before any trek or strenuous activity. Your body needs 48-72 hours to produce more red blood cells and adjust to the reduced oxygen.
Take it easy on day one. Rest at your accommodation for the first 6-8 hours after arrival. Walk slowly, avoid stairs when possible, and don't plan any tours or activities on arrival day.
Hydrate aggressively. Drink 3-4 liters of water daily. Your kidneys work harder at altitude and you lose moisture through breathing. Carry a water bottle everywhere and sip constantly.
Avoid alcohol and heavy meals initially. Skip alcohol for the first 48 hours - it worsens dehydration and altitude effects. Eat light, frequent meals instead of large portions to reduce digestive strain.
Try coca tea and local remedies. Drink coca tea (mate de coca) throughout the day - it's traditional and mildly helpful. Many hotels offer it free. Avoid coca leaves if you have drug testing concerns for work.
Ascend gradually if possible. If driving from Lima, stop overnight in Huancayo (10,700 feet) to break up the ascent. If flying is your only option, the 2-3 day Cusco stay becomes even more critical.
Know when to seek help. Headaches and fatigue are normal. Severe symptoms like vomiting, confusion, difficulty breathing, or fluid in lungs require immediate medical attention and possible descent.

Can I skip the acclimatization if I'm young and fit?: No. Altitude sickness affects people regardless of fitness level or age. Even Olympic athletes get altitude sickness. Physical fitness doesn't protect you from reduced oxygen levels.
What if I only have one day in Cusco before my trek?: One day is risky but possible with medication and careful planning. Take Diamox 2 days before arrival, avoid alcohol completely, and consider a less strenuous trek or tour option.
Is the altitude at Machu Picchu worse than Cusco?: No. Machu Picchu sits at 7,970 feet while Cusco is at 11,200 feet. Once you're acclimatized to Cusco, Machu Picchu will feel easier. The Inca Trail peaks higher at 13,800 feet.
Should I bring oxygen canisters?: Generally unnecessary for healthy adults. Focus on proper acclimatization instead. Oxygen canisters provide only temporary relief and create dependency. Save money and luggage space.
Can children acclimatize to Cusco's altitude?: Children over 8 generally handle altitude well, often better than adults. Watch for symptoms they can't articulate like unusual fussiness or loss of appetite. Consult pediatrician before giving altitude medication to kids.