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Climbing Tres Cruces Sur (6,748m) in the Andes, 19-day Expedition in northern Argentina

Join EPGAMT-certified Mountain Guide Luciano on this Nevado Tres Cruces Sur ascent expedition in the Andes mountain range, in northern Argentina.

Mountain RangeAndes
Duration17 days
Offer periodJan, Feb, Mar, Apr, Nov, Dec
Skill LevelIntermediate
Fitness LevelFit
Type of tripPrivate


  • Climb a volcanic massif in the spectacular Andes mountain range

  • Discover unique wild landscapes along the route

  • Get a good acclimatization with previous mountain ascents


The Nevado Tres Cruces is a huge mountain massif in the Andes, made up of three summits of more than 6000 meters of altitude. Join me on this 19-day expedition in northern Argentina, and we will reach the Tres Cruces Sur summit (6,748m)!

The Chilean slope of the Nevado Tres Cruces is the western limit of the homonymous park, which is divided into two sectors: Laguna Santa Rosa, and the Salar Maricunga with Laguna del Negro. The Tres Cruces Sur southern summit is part of the international border between Argentina and Chile.

We will meet in La Rioja city and travel to Fiambala, Catamarca. We will do some previous treks and climbs in order to get a good acclimatization before attempting the summit, and we will reserve some extra days in case of bad weather. You can check the day-by-day itinerary below.

The Nevado Tres Cruces has small glaciers even in summer, and gives birth to the Lamas river, which feeds the Santa Rosa lagoon. Due to the harsh environment and the distance of this mountain from urban centers (Copiapó is approximately 200km away), few mountaineers have ascended it.

The route does not have shelters on the way to the top. Also bear in mind Nevado Tres Cruces is a very cold and windy mountain, in addition to having bad weather most of the season.

So if you are in for this challenging ascent to Tres Cruces Sur, just contact me and book your place! Get ready for a unique mountaineering experience in the Andes.

I also offer other mountaineering ascents in the Andes. Check them out!



The Itinerary is a guide which we will try to carry out with the maximum accuracy, but is susceptible to changes related to variables such as weather conditions, mechanical damage and flight delays or simple decision of the participants. You are asked for flexibility in case of unforeseen events.

More info

We will send you an Equipment List upon booking

Meeting point

To be determined. Airport/Bus Terminal of La Rioja city.



Day 0: Mendoza - La Rioja

Departure of the guides from Mendoza in a 4 × 4 truck. Arrival to La Rioja. Accommodation in Hostel, last minute purchases.

Day 1: La Rioja - Fiambalá

Welcoming mountaineers at La Rioja Airport and/or bus terminal. Departure to Fiambalá. 11:00 pm Dinner at “Restaurant Roma” Fiambalá (1,600m). Accommodation at Hostel San Pedro (1,600m).

Day 2: Fiambalá - Pastos Largos o Cortaderas

Breakfast, transfer of the Group to Cortaderas Refugio Pescadores (3,200m). Lunch, Picada. Free trekking for a couple of hours. Dinner: Pollo al disco (Chicken).

Day 3: Cortaderas

Breakfast. Beginning of the Ascent to Cerro Pastos Largos ( 4,200) and Coquena (4,000m). Return to the Pescadores Shelter. Dinner: Barbecue. Simple Trekking Day: we go up to 4,200m and descend to 3,200m.

Day 4: Pastos Largos - Las Grutas

Breakfast. Transfer to Las Grutas in 4 × 4. Arrival at the Road Shelter prior to Customs control at 4,200m. Picada (meat and cheese plate) free trekking with hot springs and photos of the flamingos in the lagoons. Showers. Dinner: Pasta.

Day 5: Falso Morocho ascent

Breakfast. Fals0 Morocho  ascent (4,500m) and Quitapenas (4 hours). Return to Vialidad Shelter (4200m). Dinner

Day 6: Cerro Bertrand ascent

Breakfast. Cerro Bertrand ascent (5.350m). 6 hours. Return to Vialidad Shelter (4,200m ). 21.00h: Dinner

Day 7: Las Grutas - Tres Cruces Base Camp (4,700m)

Breakfast. Transfer to Base Camp, from Tres Cruces Sur through Las Coipas – an 8-hour drive.Base Camp at 4,700m. Setting up camp, “picada” and free time for trekking and photos.

Day 8: Advanced Base Camp (ABC)

If, due to the state of the road, the truck cannot access the end of the valley, we must make a new camp called “advanced”. It is a long valley that will require a minimum of 6 hours.


Day 9: Porterage or Rest

We can take a rest day or start with the carrying of equipment. Once installed in the ABC with all the equipment, we will begin with the transfer of equipment to the high camps.

Day 10: ABC- Camp 1

After breakfast we will move toCcamp 1 (4,900m) install the camp and spend the night there.

Day 11: Camp 1 - Porterage to Camp 2 - Camp 1

We will take the equipment to the next camp, to increase our acclimatization and return to the lower camp.

Day 12: Camp 1- Camp 2

After breakfast we will move to Camp 2 (5.400m). We will set up the camp and spend the night there.

Day 13: Rest Day

Rest day at Camp 2 before summit day or as an extra day in case of bad weather.

Day 14: Camp 2 - Tres Cruces summit (6.749m) - Camp 2

The big day arrived. Very early in the morning we will leave for the summit. We will ascend through a huge glacier. According to the snow conditions we will choose the appropriate section to move forward. Upon reaching the summit we will appreciate the neighboring summits, Ojos del Salado, Monte Pissis and Incahuasi, among others.

Day 15: Extra Day

Day 16: Extra Day

Day 17: Camp 2 - Base Camp

Descent from Camp 2 to Camp Base or ABC, depending on how are we feeling regarding time available and energy.

Day 18: Base Camp - Fiambalá

Cabins in Las Termas. Barbecue (Asado) farewell dinner.

Day 19: Fiambalá- La Rioja

We say goodbye at the Catamarca Terminal. End of program.

About the guide

guide profile img

EPGAMT Mountain Guide from Mendoza, Argentina.

I always enjoyed the mountains, and started with mountaineering activities since a young age, so it was natural for me to become a mountain guide. I’ve been working for more than 15 seasons in Aconcagua, first as porter, then as Mountain Guide assistant, and now as Mountain Guide.

I climbed a lot of peaks all along the Andes mountain range, in Argentina, Chile, Bolivia and Peru, including Aconcagua (6.962 mt – 27 ascents, through different routes like the North and the Polish glacier-), Co Plata (6.000 mt), Ojos del Salado (6.780 mt), Mount Pissis (6.850 m), C° LLullaillaco (6.723 m), C° Incahuasi (6.450 m), Vn Sajama (6.550 m), Vn Bonete Chico (6 750 m), Co Junción (5000 m), Toclaraju ( 6036m), Pisco (5750m), and the three summits of Tres Cruces 6.780m. I recently did my first expedition in the Himalayas, where I reached the summit of Mt Lhotse (8.516 mt).

I usually enjoy organizing expeditions to wild, off-the-beaten-track destinations, that need a complex logistic that you won’t find easily elsewhere.

I am fluent in Spanish, English and Italian.

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