Traveling to Peru for 3 weeks is the perfect way to explore South America: coast, desert, Andes, and jungle—all in one trip.In this guide, we’ll tell you what to see, how to get around, and practical tips to avoid common mistakes.

👉 Perfect if you want a Peru itinerary, plan an independent trip, or organize your first visit to the country.

21-Day Peru Itinerary

Lima – What to See in the Capital (2 Days)

Lima is the gateway to Peru and a key city to start your trip.

Must-Sees

• Miraflores and Barranco: Modern neighborhoods, street art, and Pacific Ocean viewpoints.

• Historic Center of Lima: Cathedral and colonial squares (UNESCO World Heritage).

• Larco Museum: Pre-Columbian art and archaeology.

Travel Tip

✔️ Spend at least 2 days here to acclimate before heading to higher-altitude areas.

✔️ Spend at least 2 days here to acclimate before heading to higher-altitude areas.

🌊 Paracas – Ballestas Islands and National Reserve (1 Day)

Paracas is one of the most stunning natural destinations on the Peruvian coast.

Things to Do

• Ballestas Islands: See sea lions, penguins, and seabirds.

• Paracas National Reserve: Desert landscapes meeting the ocean.

• Local Vineyards: Taste Peruvian pisco and wines.

⚠️ Puede marear: evita comidas pesadas y alcohol antes del vuelo

✈️ Nazca Lines  (1 Day)

One of the most impressive archaeological mysteries in the world.

What the Flight Is Like

• Small planes (6–12 passengers).

• Sharp turns so everyone can see the figures.

• Duration: 30–40 minutes, flying low over the lines.

⚠️ Can cause motion sickness: avoid heavy meals and alcohol before the flight.

🌋 Arequipa – The White City (4 Days)

Famous for its volcanic sillar stone buildings, Arequipa combines colonial architecture, volcanoes, and outstanding cuisine.

What to See

• Plaza de Armas: Cathedral and white arches.

• Santa Catalina Monastery: 16th-century convent with colorful streets and courtyards (1.5–2 hour visit).

• Colca Canyon: Spot condors and enjoy breathtaking landscapes.

  • Can be visited as a long 1-day trip or a more relaxed 2-day excursion.

Travel Tip

• Altitude: 3,600 m+ — make sure to acclimate beforehand.

🏔️ Cusco, Sacred Valley & Machu Picchu (6 Days)

Sacred Valley (2 Days)

• Pisac: Ruins and artisan market.

• Ollantaytambo: Well-preserved Inca town.

• Maras & Moray: Salt mines and circular terraces.
  ✔️ Staying overnight in the Valley helps with altitude acclimation.

Machu Picchu

• Book tickets and train at least 3 months in advance.

• Tour options:

  • Panoramic (approx. 2 hours)

  • Classic (3–4 hours)

  • Royal Circuit (exclusive viewpoints)

• Stay overnight in Aguas Calientes to enter early and avoid crowds.

Rainbow Mountain (Vinicunca)

• Altitude: 5,000 m (16,400 ft). 1.5–2 hour hike.
  ⚠️ Not recommended without prior acclimatization.

Humantay Lake

• Altitude: 4,200 m (13,780 ft). 1–1.5 hour hike.
  ✔️ Less crowded and more peaceful than Rainbow Mountain (Vinicunca).

🌳 Peruvian Amazon (3 Days)

Puerto Maldonado – Tambopata & Madre de Dios Reserve

• Jungle lodges immersed in the rainforest.

• Guided hikes and river excursions.
  ✔️ Perfect for a first encounter with the Amazon.

Manu Reserve

• Unique biodiversity, minimum 3–5 days.
  ✔️ Ideal for travelers with more time who want a nature-focused experience.

Iquitos – Deep Amazon

• Remote jungle, nature reserves, and authentic experiences.
  ⚠️ Only accessible by plane or boat. Recommended if you have several extra days.

✅ General Tips for Traveling in Peru for 3 Weeks

• Acclimate to the altitude gradually (Arequipa, Puno, Cusco).

• Stay hydrated and avoid alcohol during the first days at high altitude.

• Book Machu Picchu tickets and domestic flights in advance.

• Prioritize safety on jungle tours and Nazca flights.

• Pack light clothing for the coast and warm layers for the Andes and jungle.