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Aguja Guillaumet 3-day mountaineering trek

Aguja Guillaumet 3-day mountaineering trek lead by a certified mountain guide. You will feel attracted to the southern part of Argentina.

Mountain RangeAndes
Duration3 days
Offer periodJan, Feb, Mar, Apr, May, Nov, Dec
Skill LevelAdvanced
Fitness LevelFit
Type of tripNot specified


If you are a mountaineer with good technical experience (rock climbing class IV and V), who is looking for a new challenge. You will certainly feel attracted to the southern part of Argentina. Where you will encounter many eminent peaks, such as the  one that I will invite you to climb with me : Aguja Guillaumet.

Some also like to call the peak : “La Guillo”, Aguja (needle) Guillaumet which is one of the first summits of the well-known technically challenging mountain in the world, Fitz Roy. It is also known as Cerro Chalten, located in the Southern Patagonia area.

People say that is impossible to go over the clouds but we know that as a fact, that phrase does not include us, climbing lovers and passionate mountaineers. Besides, even the Tehuelche indigenous tribes named  it “smoking mountain”, because of the many clouds that often surround the mountain peaks.

All you just need to do, is simply sign up with me for this wonderful 3-day mountaineering at Aguja Guillaumet. I can give you my word, that this will be the most amazing vertical adventure you have had so far. Furthermore, this taste of adventure will surely increase your hunger to climb up next, the spectacular Fitz Roy mountain in El Chalten.

Further details will be explained below for this Aguja Guillaumet 3-day mountaineering trek. I will be ready to help you at any time with the booking, and remember the saying the “sky is the limit”. As a consequence there is no need to limit your ambition and aspirations so do not let your fear hold you back and DO IT!.


Day 1: El Chalten – Piedra Negra

Our journey will start with a bit of help, a bus transfer that is going to take us to Electrico River. From there we will start our trek along the Electric Valley and will then arrive to “Piedra del Fraile”. Later on, we will start to climb up the peak, around 5-6 hours with an elevation approximately of 1000 meters to reach our vivac camp “Piedra Negra”. As a side note, I would like to bring into your attention that it is very likely that we encounter very steep areas along our path and possibly/ including a lot of sharp stones.

Day 2: Summit Attempt

After a short rest we will wake up around 02:00 a.m. on our second day to get ready for our summit attempt. During this part of the trip we will go through different types of terrain, mostly rock and snow.  Reaching 2000 m/a/s/l, “Paso Guillaumet” will give us a welcome. From this point onwards, we will start “ Amy Route”, which is along the East face, and further after this point we will climb a slope of around 50°- 60°.

The route will continue with 4 rock climbing class IV – V and ramp snow will accompany us until we reach the summit at (2,574 m/s/n/l). For the descent, we will rappel to the start of the route and then walk back to our camp site “Piedra Negra”. The entire activity will take us about 14 to 16 hours while climbing in total 1000 meters of altitude.

Note: An alternative route exists, the Fonrouge ridge.

Day 3: Piedra El Fraile – El Chalten

On our last day, we will return back to our starting point, the Electrico river bridge (4-5 hs) where a transfer will be waiting for us to take us back to El Chaltén.


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