The best big treks in Peru on the Mountain Guide site are Salkantay to Machu Picchu, the full Huayhuash circuit, the Alpamayo circuit and the Ausangate circuit. They differ in more than length: each has its own altitude profile, its own number of nights under canvas, its own experience requirements and its own acclimatisation logic.
If you want a trek in South America, start by choosing the kind of trip. Salkantay joins a mountain route to Machu Picchu. Huayhuash and the Alpamayo circuit are long, self-contained expeditions. Ausangate is shorter, but reaches 5200 m. Patagonia offers an entirely different climate and terrain.
The big treks of Peru
| Route | Whole programme | Highest point | Who it suits |
|---|---|---|---|
| Salkantay to Machu Picchu | 8 days | 4630 m | A fit newcomer |
| The full Huayhuash circuit | 16 days | 5000 m | An experienced high-altitude trekker |
| The Alpamayo circuit | 14 days | 4850 m | Someone with experience of multi-day treks |
| The Ausangate circuit | 10 days | 5200 m | An experienced participant with an altitude base already in place |
The altitude in the table is not a measure of difficulty on its own. Huayhuash is lower than Palomani on Ausangate, but it takes in 12 walking days and a long chain of passes. Salkantay is lower and shorter, yet a cold pass gives way to a long descent and damp cloud forest.
Salkantay – the trek that finishes at Machu Picchu
The eight-day Salkantay programme takes in two nights in Cusco, Lake Humantay, the 4630 m pass, cloud forest, Llactapata, Hidroeléctrica and Aguas Calientes. A separate day is set aside for the tour along the confirmed Machu Picchu route.
The route suits a physically prepared newcomer, but it calls for the ability to walk several days in a row. No mountaineering experience is needed. What matters is broken-in boots, waterproofs, readiness for a cold night and steadiness on a long descent.
The full Huayhuash circuit – the longest self-contained option
The Huayhuash circuit takes 16 days, of which 12 are walking days. The route crosses eight main passes, reaches 5000 m, passes Carhuacocha and Jahuacocha and includes an out-and-back leg towards the Siula Grande area.
This is a programme for someone with experience of a multi-day trek and of altitude around 5000 m. Most of the camps lie above 4000 m. The main difficulty is the repeated passes and the tiredness that accumulates with no return to the comforts of a town.
The Alpamayo circuit – a trek around the massif
The Alpamayo circuit takes 14 days and includes ten walking days. The route crosses eight passes, reaches 4850 m and runs through the valleys of the northern Cordillera Blanca.
This is a trek, not an ascent of the summit of Alpamayo. The steep snow-and-ice face is not part of the programme. The viewpoint leg runs over moraine towards the old base camp, and it can be shortened in snow, on wet rock or in poor visibility.
Ausangate – a short circuit, but the highest
The Ausangate circuit takes 10 days and contains six walking days. In that short span the group crosses Arapa, Apuchata, Palomani at 5200 m and Jampa at 5070 m.
The programme is built for participants with previous experience of around 5000 m. Two days in Cusco help you adjust after the flight, but they do not replace altitude experience you already have. A separate excursion to Rainbow Mountain is not part of the programme.
How to compare difficulty
- The highest point and the altitudes you sleep at
- The number of consecutive walking days
- The number of passes above 4500 m
- The length of the self-contained section
- Whether you have slept in a tent in sub-zero temperatures
- Whether you can walk out to a road early
For a newcomer, the first of the four programmes to consider is Salkantay, and only with the physical preparation behind you. Huayhuash, the Alpamayo circuit and Ausangate call for previous altitude and trekking experience.
Acclimatisation before the trek
Salkantay and Ausangate begin in Cusco. Huayhuash and the Alpamayo circuit begin in Huaraz. The first days are used to adjust and to check how you are doing, but they cannot be judged apart from the experience you bring with you.
When you choose a route, tell us about your recent treks, your maximum altitude, the altitudes you slept at, how long the trips were and how you felt. One ascent to 5000 m without sleeping there is not the same as a twelve-day circuit with camps above 4000 m.
Camps, meals and personal baggage
On the self-contained routes there are local guides, cooks, muleteers and pack animals, in the numbers set out on the programme page. The agreed personal kit bag is carried only on the accessible section and is handed over in the evening.
Water, food, waterproofs, insulation, documents, a head torch and a first-aid kit always stay in the day rucksack. Showers, electricity, Wi-Fi and a mobile signal are not guaranteed in the camps.
Trekking seasons in Peru
For the Cordillera Blanca, the official recommended period given by Huascaran National Park runs from May to October. In the Cusco area the main dry season for the published programmes is given as May to September. Even in the dry months, snow, hail, wind and frost are possible at altitude.
The date is not settled by the calendar alone. The trails, the access roads, the decisions of local communities and authorities, Machu Picchu tickets, transport and the readiness of the local team are all checked.
Trekking in Patagonia
Patagonia is unlike high-altitude Peru. The decisive factors here are wind, rainfall, the state of the trails, camp bookings and long days over broken ground. The Mountain Guide Patagonia programme walks the full O circuit of Torres del Paine and continues into Argentina.
Altitude acclimatisation of the Huayhuash or Ausangate kind is not the main task in Patagonia, but good walking fitness, protection from wind and rain and the ability to keep going several days in a row are essential.
How to choose a route
- Decide on the main goal – Machu Picchu, a full high-altitude circuit, views of Alpamayo or the Vilcanota range
- Match the programme against your recent altitude experience
- Count the walking days and the nights in tents, not only the overall length
- Check that your insurance covers the maximum altitude and evacuation
- Leave a margin before your international flight
- Check the included services on the page of the specific programme
A big trek or a day route
A day walk to a lagoon or a viewpoint and a self-contained circuit answer different questions. On a big trek you live in camps for several days, cross remote passes and cannot change your kit at a hotel every evening. So the experience of a single excursion does not establish that you are ready for Huayhuash or Ausangate.
If the holiday is short or you have no altitude experience, it is safer to choose a programme with less self-sufficiency. If the goal is a full circuit, compare the offers day by day: the same regional name can conceal a shortened line.
What affects the total cost
The price depends on the local team, transport, hotel and camping nights, meals, fees, baggage transport and tickets. For Salkantay the named Machu Picchu ticket and the rail connection matter separately. For the self-contained circuits it is the number of walking days, the muleteers, the pack animals and the community or park fees.
Comparing the headline figure alone is the wrong approach. You have to compare whether hotels, meals, the kit-bag limit, entry fees, internal transport and the guiding are included. Medical insurance and the costs of a change of route are usually checked separately.
Insurance and a plan for walking out early
The policy has to cover the actual maximum altitude, multi-day trekking, rescue work and evacuation. An ordinary travel-insurance wording with no altitude cover may not match the programme.
The routes differ in how remote they are. On Salkantay the group passes through inhabited areas and transport points, while on the full Huayhuash many days are spent far from a road. Before payment, check communications, how the guide takes decisions, who accompanies you down and what extra costs may arise.
Fact check: 15 August 2026.