Altitude Sickness on the Salkantay Trek: Everything You Need to Know
If you are planning to hike the Salkantay Trek to Machu Picchu, you might be wondering whether you’ll experience altitude sickness (soroche). This is one of the most common concerns among travelers, and here you’ll find everything you need to know to prevent it and enjoy your adventure through the Andes.
What Is Altitude Sickness?
Altitude sickness (soroche) occurs when the body struggles to adapt quickly to high-altitude areas, where oxygen levels are lower.
The most common symptoms include:
Headache
Nausea or vomiting
Dizziness
Extreme fatigue
Loss of appetite
Difficulty sleeping
Where Do You Feel Altitude Sickness Most on the Salkantay Trek?
The highest point of the Salkantay Trek is the Salkantay Pass (Abra Salkantay), located at 4,650 meters (15,255 ft) above sea level.
This section is reached on the second day of the trek, and it is where most hikers report altitude-related symptoms. That’s why arriving well-acclimatized in Cusco or another high-altitude city before starting the trek is essential.
How Long Should You Acclimatize Before the Salkantay Trek?
It’s recommended to spend 2 to 3 days in Cusco (or another high-altitude destination) before starting the trek.
During this time:
Do light activities (city tours, Sacred Valley visits).
Rest properly and sleep well.
Avoid heavy meals and alcohol.
Drink plenty of water to stay hydrated.
How to Prevent Altitude Sickness on the Salkantay Trek
With proper preparation, altitude sickness is manageable. Here are practical tips:
Acclimatize before starting the hike.
Drink coca tea or muña tea (traditional Andean herbal infusions).
Consult your doctor about medications such as acetazolamide or sorojchi pills.
Hike at a moderate pace, don’t rush.
Eat light but frequent meals throughout the day.
Avoid alcohol and smoking before and during the trek.
What If You Experience Altitude Sickness During the Trek?
Don’t panic. Responsible trekking agencies are prepared with:
First-aid kits.
Portable oxygen tanks.
Emergency horses for assistance if needed.
Your professional guide is trained to identify symptoms quickly and take the right measures to ensure your safety.
Extra Tips to Handle Altitude on the Salkantay Trek
Carry altitude pills if you are prone to soroche.
Bring coca candies or dried coca leaves to chew along the trail.
Dress in layers with thermal clothing, as cold weather can increase fatigue.
Get a good night’s sleep before Day 2, the most challenging part of the trek.
Conclusion
Yes, altitude sickness on the Salkantay Trek can occur, especially on the high passes. But with proper acclimatization, physical preparation, and the support of a professional trekking agency, it is completely manageable.
Every year, thousands of travelers successfully complete this hike and return home with the memory of one of the most breathtaking adventures in Peru.
