Cusco travel guide: Inca stonework beneath Baroque spires
At 3,400 metres in the southern Andes, Cusco was the capital of the Inca Empire and remains one of the most historically rich cities in the Americas. Spanish colonial churches and palaces were built directly onto Inca stone foundations, so the walls you pass on the way to dinner are frequently older than the building above them.
Almost every visitor to Peru's southern circuit comes through, and most underestimate how much the city rewards staying put for a few days rather than treating it as a staging post for Machu Picchu.
Key facts
- Country and region: Peru, South America
- Languages: Spanish, Quechua, and Aymara
- Currency: sol (PEN)
- Driving side: right
- Setting: an Andean valley at 3,400 metres, in southern Peru
What makes Cusco special
Most historic cities offer you one dominant era. Cusco offers two, physically stacked.
The Inca built here in stone cut so precisely that mortar was unnecessary, and the Spanish, arriving in the sixteenth century, did not clear the city so much as reuse it. Colonial churches and mansions sit on Inca foundations that survived earthquakes the later buildings did not, so a Baroque doorway frequently opens off a wall of tightly fitted Inca masonry with the join visible at eye level.
The Historic Centre of Cusco has been a UNESCO World Heritage Site since 1983, and it is the most tangible surviving expression of the Inca Empire's urban planning. What is unusual is how ordinary it is to walk through: a living city centre with markets, offices, and schools, not a preserved site behind a fence.
The city is also the base for the entire southern circuit. The Sacred Valley, Machu Picchu, and the classic trekking routes all radiate from here, which is why Cusco fills and empties on a rhythm set by train times and permit dates.
Getting there
Cusco is served by a domestic airport with frequent connections from Lima, and the flight takes roughly an hour and a half. That is the route most visitors take, and it is also why altitude catches people out, because it moves you from sea level to 3,400 metres in a single morning.
- By air. Domestic flights from Lima are the standard approach, with some regional connections from elsewhere in Peru.
- By road. Long-distance coaches connect Cusco with Puno on Lake Titicaca, with Arequipa, and with Lima. The Puno route is a scenic day on the altiplano, with the advantage of gaining altitude gradually.
- Onward to Machu Picchu. Trains run from Cusco and from Ollantaytambo to Aguas Calientes, the town below the citadel. Trekkers instead walk in, most commonly on the Inca Trail.
Before you go, check what your passport needs. Our Peru entry requirements for Swiss passport holders covers the pre-departure checklist, and the Peru corridor pages hold the current position for your nationality.
When to visit
Cusco has two clear seasons, and they matter more than the calendar month.
The dry season, broadly May to September, is the main window. Days are clear, nights are cold, and the trekking routes are at their best. June to August is the busiest period, and it coincides with Inti Raymi, the Festival of the Sun, held each June and the largest event in the Cusco calendar.
The wet season, broadly November to March, brings afternoon rain, greener landscapes, and thinner crowds. Trekking is harder work and the views are less reliable. February is the wettest month, and the month the Inca Trail closes for maintenance.
April and October are the shoulder months, and the ones experienced visitors tend to choose: largely settled weather, fewer people, and highlands still green from the rains.
Whatever the season, the daily temperature swing at 3,400 metres is large. Direct Andean sun at midday and near-freezing nights are normal in the same 24 hours.
What to see
Cusco's own sights sit close together, and the region's headline sites are all within reach.
The Historic Centre is the starting point. The Plaza de Armas, the cathedral, and the Qorikancha, where a colonial convent stands on the Inca sun temple, are walkable from one another, as are the Inca walls along Hatun Rumiyoc with their celebrated twelve-angled stone.
The Sacred Valley of the Incas stretches between Pisac and Ollantaytambo along the Urubamba River, holding terraced ruins, living indigenous communities, and busy markets. Ollantaytambo preserves one of the finest examples of Inca urban planning still in daily use, and the valley sits lower than Cusco, which makes it a comfortable place to acclimatise.
Machu Picchu sits on a ridge at 2,430 metres. Timed entry tickets and a guide are now required, and most visitors arrive by train to Aguas Calientes or on the multi-day Inca Trail. Check the official site for current ticketing and access arrangements before you commit to dates.
Sacsayhuamán, on the slope directly above the city, is built from stones of extraordinary size, and the walk up from the centre doubles as an acclimatisation exercise.
Further afield, Puno and Lake Titicaca are a day's travel south, and Arequipa with Colca Canyon lies to the west.
Altitude, and how to handle it
At 3,400 metres the air holds substantially less oxygen than at sea level, and arriving directly from Lima gives your body no time to adjust. Headaches, breathlessness on stairs, and disturbed sleep on the first night are common and usually pass.
The practical approach is straightforward. Keep the first day light, with no trek and no early start the next morning. Drink more water than feels necessary. Where the itinerary allows, sleep the first night or two in the Sacred Valley and come up to Cusco afterwards. If you are trekking, build the route so that sleeping altitude rises gradually, and confirm your travel insurance covers the heights involved, because many standard policies cap cover below the altitudes on Peruvian trekking routes.
Visa and entry
Peru's entry rules are set per nationality, and the gap between passports is wide. Swiss, British, American, Australian, and German passport holders can currently enter Peru without a visa for short tourist stays, though the maximum permitted period differs by nationality. Indian passport holders currently need a visa arranged before travel.
Check the corridor page for your own passport, and confirm it against Peru's immigration authority at gob.pe/migraciones before you book. Our Peru entry requirements guide covers passport validity and what border officers may ask to see.
Staying connected
Cusco is easy to navigate with a phone and harder without one, particularly when train times, timed-entry slots, and Sacred Valley transport all need confirming on the day.
An eSIM handles this before you leave home. You buy and install it in advance, and it activates when you land, with no queue at the airport. Saily covers Peru, so your train confirmation, your entry ticket, and your accommodation address all work from the moment you arrive.
If you have not used one before, what is an eSIM? explains how they work, and eSIM device compatibility confirms whether your handset supports one.
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Frequently asked questions
How many days do you need in Cusco?
Three full days covers the historic centre, the Qorikancha, and the ruins above the city at a pace that respects the altitude. Add two or three more for the Sacred Valley and Machu Picchu, and four for a trek.
How high is Cusco?
3,400 metres. Flights from Lima at sea level reach it in around 90 minutes, which is why altitude affects so many arrivals on the first day.
What is the best time of year to visit Cusco?
The dry season, broadly May to September, has the clearest weather and the best trekking. April and October are often the best compromise between weather and crowds. February is the wettest month, and the month the Inca Trail closes.
Do I need a visa to visit Cusco?
That depends on your passport rather than the city. Swiss, British, American, Australian, and German passport holders can currently visit Peru without a visa for short stays. Indian passport holders currently need one in advance. Check your Peru corridor page for the current position.
What language do they speak in Cusco?
Spanish is the main working language, and Quechua is very widely spoken in Cusco and the surrounding highlands. English is common in tourism and thin outside it. The currency is the sol, code PEN, and cash is worth carrying outside the city centre.
Can you visit Machu Picchu as a day trip from Cusco?
It is possible, and many visitors do it, but it makes for a long day with an early start. Staying a night in the Sacred Valley or in Aguas Calientes gives you an earlier entry slot and a less rushed visit. Timed entry tickets and a guide are required, so check the official site for current arrangements.
Is Cusco a good base for the rest of southern Peru?
Yes. The Sacred Valley, Machu Picchu, the trekking routes, and the road south to Puno and Lake Titicaca all radiate from Cusco, which is why most southern-circuit itineraries start and end here.
How do you avoid altitude sickness in Cusco?
Keep the first day light, avoid alcohol and heavy exertion on arrival, and drink plenty of water. Where possible, sleep the first night or two lower down in the Sacred Valley and come up afterwards. If symptoms are severe or do not settle, descend and seek medical advice.
Is Cusco safe for visitors?
Peru currently sits at a caution-level advisory for British travellers, with region-specific guidance rather than a single national position. Ordinary urban precautions apply. Check the current advisory issued by your own government before you travel. The emergency numbers in Peru are 105 for police and 106 for an ambulance.