Why You Should Leave Cusco as Your Final Destination in Peru (Real Traveler Guide)

Cusco sits at 3,399 meters (11,152 ft).
Most travelers are not used to this elevation, and symptoms often appear:

• headaches

• extreme fatigue

• nausea

• loss of appetite

• shortness of breath

• difficulty sleeping

Some people adapt quickly, others are completely incapacitated for 1–3 days.

Many travelers think:

“I’ll arrive, rest one day and I’ll be fine.”

Reality check:

✅ Acclimatization takes time
✅ Symptoms can appear later
✅ Everyone reacts differently
✅ If you get sick before another tour or flight, you may lose it

This is a major problem when travelers visit destinations like:

• Iquitos & the Amazon

• Northern Peru

• The coast

• Other jungle or low-altitude regions

I’ve seen travelers lose:

• flights to Iquitos

• prepaid jungle tours

• non-refundable reservations

• entire travel days stuck in bed

All because they visited Cusco first

The ideal order to visit Peru is to begin with low-altitude destinations—such as Lima, Iquitos, Paracas, the Amazon, Trujillo, Chiclayo or Tarapoto—and save Cusco as the final stop of your trip, since its extreme altitude (3,399 m / 11,152 ft) often causes discomfort for many travelers, including headaches, fatigue, nausea or insomnia, which can disrupt plans and lead to missed flights, tours or non-refundable bookings. Starting with coastal or jungle regions allows you to enjoy Peru safely and with full energy, while visiting Cusco at the end greatly reduces the risk of altitude sickness and gives your body time to adapt naturally; and if symptoms do appear, you won’t have other important destinations left to lose. For this reason, the best approach is to explore the Peruvian jungle—such as Iquitos—and the coast first, and then finish your journey with Cusco, Machu Picchu and the Sacred Valley, ensuring a smoother, safer and more enjoyable experience.

A smart way to plan your trip through Peru is to follow an itinerary that starts in low-altitude regions and leaves Cusco for the end, such as spending 7 days between Lima, Iquitos and then Cusco, or a 10-day plan beginning in Lima, taking a 3–4 day Amazon jungle tour in Iquitos, and finishing with Machu Picchu and the Sacred Valley; this order not only makes geographical sense, it also greatly reduces the risk of altitude sickness by giving your body more time to adapt. To further minimize any discomfort once you reach Cusco, it’s best to stay hydrated, avoid alcohol on the first day, eat light meals, move slowly, rest the first few hours, try coca tea or coca candies, and skip strenuous tours right upon arrival; by combining these tips with a well-thought-out itinerary, you’ll enjoy the jungle and the Andes without risking missed flights, canceled tours or losing valuable travel days.

If you’re planning to start your Peru itinerary in the Amazon before heading to Cusco, our 2-day, 3-day and 4-day jungle packages in Iquitos offer the perfect introduction to the rainforest. These experiences are designed for travelers who want authentic wildlife encounters, comfortable eco-lodge stays, canoe explorations and guided night walks—all in a safe, organized, and flexible format before continuing to the highlands. Beginning your trip in the Amazon not only helps you avoid altitude sickness, it also lets you enjoy Peru’s most diverse ecosystem at the best pace. You can explore our jungle tours and choose the itinerary that fits your travel style and dates.