Patagonia Ice Cap Traverse // Marconi Pass – Huemul Pass


Expedition details


Guides and group sizes

Ratio is 1 guide/assistance per 3 guests. Maximum group size is 9 guests 1 guide and 2 assistants guide


Difficulty and prerequisites

Guest must be comfortable using crampons to flat foot and front point on moderate angle ice up to 35 degrees.

These are all physically demanding days and participants must be in good hiking shape.

Guests are required to carry a backpack with their personal gear (clothes, sleeping bag, pad, etc), group (tents, pot, stoves, etc) and food. About 20 to 25 kg. Personal porters could be arranged in advance, if needed.

No mountaineering experience is required, however if you had some it helps a lot.



Participants are responsible for their own transportation to El Chaltén, Argentina. Your travel agent should be able to arrange this for you. You can get there by flying to Buenos Aires, and then fly to El Calafate. From there, you can get on a 4-hour bus journey or you we can arrange a private transfer.


Accommodation & Meals

All food during the expedition is included.

Please let us know of any special dietary requirements you have when booking.

If you need any help with your lodging, do not hesitate to ask us. We can find the best for your taste and budget.


Weather consideration

The fame of the area regarding wind and fast changeable conditions are not a legend. Be ready to experience nature and all its beauties and power. We have two back up days and one rest day, which we use flexibly to make best use of weather conditions. It may be that some of these days will be spent waiting in a specific camp, usually “La payita” (see itinerary below), just before getting on the ice field.




Day 0

Bus ride to El Chaltén. El Chaltén is our meeting point and where the trip gets started. We check the gear, brief the trip, get any last minute details. Hotel/Hostel Check-in and dinner. May be some barbecue lamb with a good red wine?


Day 1

We take a private bus to Puente del Rio Electrico (Electric river bridge), where our expedition kicks off. We hike for 2 hours through Lenga and Ñires forest (Beach tree, Nothofagus family). We pass by Piedra del Fraile hut and camping ground; our last contact with civilization for few days. Leaving the camping and forest behind, we keep hiking in a U-shaped glacier created valley, most of the time on a moraine terrain. After an hour’s hike, we run into Pollone Valley where we have to wade the Rio Pollone; sometimes this is an adventure in itself. We follow Rio Electrico until its first beginnings:  “La Playita” camp, rivers bed that Electrico river has left for us to camp on. We’ll find rock protection for our tents. After a rest or, even better, a meal, we hike to Marconi’s snout to check the next day’s route. Altitude gained 100 meter, 14 km, aprox. 6 hours.


Day 2

Today is the key day of the expedition. Glacier Marconi is one of the accesses to the ice cap. Most winds and weather come from west/north and funnel through passes like this one. Therefore, weather/wind permitting, we get up early, have breakfast and break down camp. Depending on glacier conditions, the guide will decide which route to take betwenn 2. De los 14 lagoon with a tirolean rope, or through Marconi. We get on Marconi Glacier, a combination of bare ice and rock at first. We make our way to the base of “Cambio de Pendiente” (change of gradient). We rope up, put harness and crampons on. After a section of 30 to 35 degrees and 1 hour on the ice, we reach Marconi Pass. A breath-taking view of the 3rdlargest fresh-water ice mass in the world just in front of us!  We appreciate Koliker Range, Lautaro Range, Gaea Range and Mariano Moreno Range. Walking 1 ½ hour mainly flat on the pass, we step into Refugio Gorra Blanca or Refugio Garcia Soto, a Chilenian Institute of Hielo Patagonico Sur Studies hut. Depending on availability, we might sleep inside or camp outside the hut. Eat, drink and sleep. 800-meter altitude gain, 14 km, 8 to 10 hours.


Day 3

Everything packed and ready to go, we bear south for about 6 hours towards “El Circo de los Altares” (A bowl formed by the west faces of Cerro Torre and its satellite needles.) We will be camping at the entrance of the bowl. Amazing views. Only the ones who get here and are lucky with weather get the chance to see this. We might spend a good time building ice walls to protect our tents from predominant north and northwest winds. 6 – 7 hours, 50-meters altitude gain, approx 15 km.


Day 4

Depending on weather and the physical condition of guests, we might stay one more day at this camp. We take advantage and hike all the way inside the Cirque, getting to the foot of Filo Rosso, beginning of Casimiro Ferrari route of Cerro Torre. It’s just amazing to think they first climbed this route in 1974! Back to Camp.


Day 5

A full day ahead! Today we’ll be walking on snow, bare ice, rock and grass! We leave from Circo de los Altares to Refugio Paso del Viento. We get off the ice around Vivac Laguna de los Esquies and keep walking passing by Laguna Ferrari and Vivac Ferrari. We start to see Mascarello range, a restricted reserve of Los Glaciares National Park. One more hour to the rustic hut of Paso del Viento. We use only the hut for cooking and we sleep in the tents.


Day 6

We contour around Cerro Huemul, always having Glacier Viedma on our right. Alpine meadows, glacier erosion terrain delights us along the way. By the end, only 400-meters elevation separates us from Paso Huemul. Impressive view, one side Lago Viedma, in the other Glacier Viedma! Walking down and some bush waking make us reach Huemul pass Camp. After pitching camp, a five-minute walk delights our eyes: Viedma Glacier face falling into Lago Viedma. Only fifteen more minutes away, a cliff of 500 meters we find condors nesting. 6 hours, 500 meters.


Day 7

From now on everything down hill baby! 500 meter more or less steep down hill, so the rule is: your butt touches the ground; you buy a beer/drink for the group! Down on the flat we’ll be walking on the step by lago Viedma for about 3 hours. We get to rio Tunel and after wading the river, we have 30 more minutes to Tunnel Bay, where a minibus ride brings us back to civilization: El Chaltén. “Cordero asado”, barbecued lamb, (veggie options always available) and Vino tinto (other drinks available too)!


Day 8

Back up day



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