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Live an unforgettable experience on this 6-day Andean trek from Argentina to Chile led by Eduardo, an EPGAMT certified mountain guide.
Andes
6 Days
Jan - Mar, Dec
High
Intermediate
Have you ever wanted to cross the Andes? This 6-day Andean trek is the perfect opportunity to finally do it!
This trip leads us from Mendoza in Argentina, to Santiago, the capital and biggest city in Chile. We’ll take one of the routes taken by the Argentine troops to cross the Andes during the Latin American wars of Independence.
During the trip, we’ll visit different natural spots from which we’ll be able to contemplate the astonishing Andean scenery from within. We will go through mountain passes and spend most of the nights in mountain huts and tents. Finally, we’ll relax in a hot spring before heading to Santiago.
Please, take a look below for a more detailed itinerary of the program.
Take into account that this trek is not easy. Crossing the Andes is a very challenging but rewarding experience. Therefore, participants should have prior trekking experience and a very good physical condition.
Send your request and make your reservation for this Andean trek now. I guarantee you it will be a unique adventure.
Meeting point
We’ll meet in Mendoza for a briefing, equipment check and final preparation before the trek. Our guides can assist with last-minute gear rental if needed. Please note that hotel accommodation in Mendoza is not included, so you should book your own hotel for this night.
In the morning, we’ll leave Mendoza by private transport and drive towards Refugio Portinari, at around 2,500m, where we complete the Argentine border procedures. From there, we continue towards the Yaretas area, where we meet the arrieros and mule team. This is our first night in camp.
This is one of the most important trekking days of the crossing. We start around 3,900m and hike up to Portillo Argentino, at approximately 4,300m. After crossing the pass, we descend through a remote Andean valley towards Real de la Cruz. Distance: approximately 14 km.
Today we continue deeper into the Andes, walking through wide valleys and remote mountain landscapes. Depending on weather and group pace, we reach the Mirador San Juan area, with views of some of the great peaks of the region, including Tupungato and Piuquenes. Distance: approximately 12 km.
We hike towards El Caletón, a spectacular protected camping area surrounded by rock formations and mountain views. This is usually a shorter trekking day, giving the group time to recover and enjoy the scenery. Distance: approximately 9 km.
Today we explore the upper valley towards the base area of Marmolejo, one of the most impressive 6,000m peaks in the region. After enjoying the views and the high mountain environment, we return to camp at El Caletón. Distance: approximately 11 km.
Our final and longest trekking day takes us across Portillo Piuquenes, the pass that marks the crossing into Chile. We descend towards Termas del Plomo, where our private transport will be waiting. If conditions allow, there will be time to enjoy the hot springs before the drive to Santiago. Distance: approximately 19 km. Hotel accommodation in Santiago is not included.
Total trekking distance: approximately 65 km.
More info
Do not forget to bring:
What is the average distance and altitude gain that we will hike each day?
The full mountain crossing is approximately 65 km, spread over 5 trekking days. The daily distances are about 14 km on Day 1, 12 km on Day 2, 9 km on Day 3, 11 km on Day 4 and 19 km on Day 5. The first trekking day starts at around 3,900m and reaches Portillo Argentino at about 4,300m, with roughly 400m of ascent before a long descent. Walking times vary according to weather, trail conditions, river crossings, mule logistics and group pace. This is a real Andes crossing, so distances and times should be understood as mountain estimates rather than exact city-walking numbers.
What experience do I need to have? How fit do I need to be? Is this program suitable for children or older people?
You should have previous hiking or trekking experience, ideally with at least one overnight trek or several long mountain hikes. You do not need to be an athlete, but you do need good cardiovascular endurance and the ability to walk several hours per day at altitude, sometimes in cold, windy or snowy conditions. The trip can be suitable for children and older people if they already have outdoor experience and good fitness. We have had participants as young as 10 years old and as old as 78 years old, but this should not be someone’s first serious trek.
How can I get to the trailhead/meeting point?
The meeting point is Mendoza, Argentina. You should arrive in Mendoza on Day 1 of the itinerary. Our team will meet the group there, check equipment and help with any last rental needs. The next morning, we provide private transport from Mendoza towards the trailhead area, including the approach to Portinari and Yaretas. The trek finishes on the Chilean side, near Termas del Plomo, where our private transport will be waiting to take the group to Santiago de Chile.
How will accommodation and meals be handled during the trek?
Outside Mendoza and Santiago, all accommodation and meals are included. During the mountain section, we sleep in tents in all camps, usually with 2 people per tent. We also provide a dining tent and toilet tent in the camps. All meals during the trekking days are prepared by our team, including breakfast, packed lunches, snacks and dinner. You do not need to bring your own food, although you may bring a few personal snacks if you want something extra during the walking days.
Are there any other special requirements such as permits/insurance/vaccines that I need to consider before the tour?
No special vaccines are required for this trek. However, this is an international border crossing, so we must organize the exit from Argentina and entry into Chile in advance. You must send us a photo of the valid passport or travel document you will use for the crossing. The same document must be used during the expedition; please do not change documents after sending us the information. We handle the border paperwork with the Argentine and Chilean authorities. Travel insurance is strongly recommended.
What is the best time of the year for this hike?
The best time for the Cruce de los Andes is during the Southern Hemisphere summer, when the high mountain passes are more likely to be open and conditions are generally more stable. We normally run this itinerary twice per season: one group around New Year and another departure in February or March. Even in summer, the Andes can be cold and unpredictable, with wind, snow or sudden changes in weather, so proper mountain clothing is still essential.
Can I join a group?
Yes. You can join one of our scheduled group departures. The New Year 2026/2027 departure is already confirmed and currently has 4 participants. Joining a group is usually the best option for solo travelers or smaller parties, as it allows you to share logistics, guides, mule support, camps and transport with other trekkers.
What happens in the event of bad weather?
In 19 previous Cruce de los Andes trips, we have never had to cancel or completely change the expedition because of bad weather, even during snowstorms or landslides. The route is remote, but our team knows the area well and makes decisions according to safety, trail conditions and border access. If a serious event makes the planned crossing impossible, we will adjust the itinerary and dates as needed to accommodate the group and keep the trip safe.
Do I have to cross rivers during the trek?
Yes. There are river crossings during the trek, so you must bring water-resistant sandals or Crocs. Flip-flops are not recommended because they can come off easily in moving water. Crocs or secure river sandals are the best option because they stay attached to your feet while crossing.
How much weight will I have to carry?
You will only carry a daypack, usually around 6 to 10 kg. Your personal overnight gear, sleeping equipment and most of the heavier items are transported by mules. This makes the trek much more enjoyable and allows you to focus on the walking, the scenery and the experience rather than carrying a heavy expedition backpack.
Will my passport be stamped during the trek?
Yes. We officially exit Argentina at the Portinari police station and enter Chile later on the Chilean side of the route. You must carry your original valid passport or travel document. Please make sure it is the same document you previously sent us for the border paperwork. Because this is an international crossing, you must not carry any illegal or restricted items.
Is there communication in the mountains?
Yes. Our team carries VHF radios to communicate with local authorities, as well as satellite communication for emergencies and logistics. We also use satellite tracking, and you can share the tracking link with your family so they can follow the group’s progress and feel more reassured during the expedition.
What are some recommended accommodations near our adventure location?
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Mountain Guide
Andes Specialists is a guiding company founded in 2012 with a clear mission: to transform a passion for high-altitude mountaineering into a professional, adaptable, and reliable service. Created by Maximo Kausch, the company was born from his dream of turning a lifelong connection with the mountains into a project focused on deep knowledge, real guiding experience, and personalized service.
We operate exclusively in the Andes, not only in the most iconic mountains, but also in remote and rarely visited regions where few — if any — guides work. Our clients recognize us for our flexibility and ability to adapt to their goals, just like the mountains that inspire us.
All of our expeditions are led by certified guides, and we place special emphasis on a guide’s professional experience in the field — not just their personal climbing résumé. We believe that strong logistics, leadership, and group care are what truly define a world-class mountain guide.
Maximo Kausch, the founder, personally leads most of our expeditions. When he’s not available, clients are guided by handpicked members of his trusted team. Maximo has led over 10 expeditions to 8,000-meter peaks, several to 7,000-meter peaks, and more than 90 to 6,000-meter mountains. He has climbed over 250 extreme altitude peaks, reached the summit of K2, and currently holds the Guinness World Record for the most 6,000-meter peaks climbed — with 89 summits officially recognized.
At Andes Specialists, guiding isn’t just about reaching the summit — it’s about going beyond the obvious, with safety, expertise, and genuine connection.
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Renato
While we took coffee on the hood of the car, he took inside the hotel, he took more time than gave to us, leaving me and my wife waiting him to finish his meal
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