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7 of the Highest Climbable Mountains in South America (Here’s What You Need to Know)

Breathtaking scenery in Cordiliera Huayhuash, Peru, South America.

There’s something about the breathtaking Andes that calls out to climbers. Perhaps it’s the ice-frosted peaks or the wisps of pure white smoke on the snow-capped volcanic cones. Whatever it is, there’s an almost magical and spectacular satisfaction that comes with the thrills of climbing the longest chain of mountains on our planet.

But the Andes Mountains in South America only calls to the brave-hearted. It is an experience only to be had by those with lots of physical and mental endurance, stamina, special training, experience, and, of course, the right gear.

If you think you’ve got what it takes to heed the call, then I invite you to check out this list of the highest climbable mountains in South America.

Aconcagua, Argentina – Summit: 6,962 meters

Aconcagua in Argentina, South America.

What better place to start than the highest mountain in the world (besides the Himalayas). With an elevation of only a few meters short of 7,000, Mount Aconcagua in Argentina towers as the highest peak in the Andes. Dubbed “the Sentinel of Stone,” Aconcagua is one of the most sought after summits in South America.

If you must survive this climb, you’ll need to bring along oxygen – lots of it. Besides the bad weather at the top of the mountain, there’s a serious shortage of breathable air. If you are lucky to make it to the top of Aconcagua, you will be out of breath – literally!

But it’s not just thin air that will take your breath away once you get to the top of this mountain. From a height of about 7,000 meters, the views are nothing short of breathtaking – and that’s in the literal sense of the word!

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If you’ve not been on such high altitudes before, you will need to monitor your ability to adjust. You will also need to be in good physical condition to carry a rucksack while trekking at that altitude. Take on this behemoth only if you have experience with winter camping, multi-day trip, and comfortable with climbing up to an altitude of at least 6,000 meters.

Huascarán, Peru – Summit: 6,768 meters

Huascaran Mountain located in Huaraz, Peru.

Peaking at an impressive 6,768 meters, Mount Huascarán proudly takes its spot as one of the tallest mountains in South America, and definitely the highest in Peru. It is a favorite spot for both tourists and mountaineers.

As you’ll expect, climbing this mountain is not a walk in the park, even for the experienced trekker. Expect avalanches if you’re climbing after snowfalls. Unpredictable icefalls are common, too, especially when crossing active avalanche spots where there are debris fields. You will need to move fast in those zones.

You may also experience some white-outs due to low-forming clouds. Night temperatures can get as lows as -25oC, and the route to the summit is fraught with crevasses.

Yerupajá, Peru – Summit: 6,635 meters

Yerupaja and Siula Grande in Cordiliera Huayhuash, Peru, South America

The summit of Yerupajá is the second-highest peak in Peru and the highest point in the enormous Amazon River watersheds, reaching an imposing height of over 6,600 meters.

Climbing the Yerupajá Mountain requires some tricky maneuver through a razor-thin ridge covered in fragile snow flutings. With lots of overhanging ice and near-vertical climbs, this trek is definitely not the type of mountaineering for the faint-hearted.

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Given its high elevation and all the obstacles, it is not surprising that only a few climbers ever ascend this mountain successfully. The best times of the year to climb Yerupajá are from May to September.

Huantsan, Peru – Summit: 6,369 meters

Huantsan in the Peruvian Andes, South America

Mount Huantsan is one of the rarely climbed mountains and for good reasons. At almost 6,000 meters, peaking in the southern Cordillera Blanca, the mountain is only accessible through a limited number of routes. But the major concern is that those routes are dangerous, complicated, and difficult, which explains why it is one of the least climbed mountains in South America.

However, hikers who make an effort are rewarded with one of the planet’s most exceptional views of the Andes. Here’s the thing, though, you’re going to need plenty of mental and physical strength to ascend this rarely climbed mountain.

Ampato, Peru – Summit: 6,288 meters

Arequipa's volcano

Located in the remote and dry Southern parts of Peru, Ampato is a dormant composite volcano in the Andes. At 6,288 meters, Ampato is the second-highest mountain in Arequipa.

The route to the summit is through some glacier travel. Expect some scrambling to the ridge, too. You will need to bring along extra water, especially during camping on the dry and empty desert. From Arequipa, it takes most summiteers about four days to make a round trip to the peak.

Mount Fitz Roy, Argentina/Chile Border – Summit: 3,359 meters

Mount Fitz Roy and laguna Torre in Los Glaciares National Park, Patagonia, Argentina

Fitz Roy is a mountain located in the ice field of Southern Patagonia (between the borders of Argentina and Chile). There’s a lot of trekking and meandering to do on the trails along the foothills, but the granite summit is the main attraction.

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The walking distance to the base of the mountain is about 24 km and 26 km, depending on whether you go through the Hostaria el Pilar or El Chalten trails. Bring along your food and drinks during the trek. You can get safe water to refill at the river.

It’s easy to follow the trail because it is well marked, and the trek is nice and easy, too. However, expect some difficulty when you get to Campamento Poincenot. Getting to the base of Mount Fitz Roy is a steady uphill walk that is steeply inclined. The paths are rocky and full of small boulders, so you need to watch where you step.

At 3,359, Mount Fitz Roy is obviously not so high, but it is definitely a tough mountain to climb. Most hikers find that the whole trek takes roughly 10 hours, including breaks. Overall, it has been reported to be one of the most rewarding and incredible hikes for those who’ve scaled the mountain.

Central Tower, Chile – Summit: 2,460 meters

Cordillera del Paine and Laguna Pehoe in Chile, South America.

Chilean Patagonia is home to the Cordillera Paine – a group of mountains granite peaks in Torres del Paine. One of these mountains is the Central Tower, which measures about 2,460 meters.

Granted, the Central Tower is not at a high altitude as the rest of the mountains on this list, but it deserves a spot here because of its challenging route. Scaling this near-vertical granite rock requires more than mere mountaineering.

You will need a certain level of climbing skills to surmount the Central Tower successfully. You will find it rewarding, though, as many hikers who consider it a popular trekking spot.

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Tips and What You Need to Know

  • Hiking is a thrilling and rewarding activity that is best enjoyed in the company of others. Hiking alone is never a good idea, especially when your goal is to climb some of the highest mountains in South America. There is likely no phone reception along the trails, foothills, and on top of the mountains. This means you need at least one person who you can rely on during emergencies.
  • Expect the unexpected. The weather will be cooler than you expected (even when there is no snow). Protect your body from strong winds and freezing temperatures by wearing waterproof clothing.
  • It is best to go on all fours when approaching the summit. Caution is your watchword at this point, as one strong blast of wind can knock you off your feet, even when there have not been strong winds. Instead of walking head high to the top, it is safer to scramble your way up, particularly if it is your first time.
  • Prepare for altitude. Climbing any mountain above 3,000 meters can significantly affect your entire body and even your motivation. For starters, it can cause nausea, insomnia, and loss of appetite, which can all impact your zeal and fitness. At its worst, high altitude can flood your lungs with fluid (pulmonary edema), and that can be fatal.
  • Ensure that you are in great physical shape before you start hiking. That, notwithstanding, you still need to pack a first aid kit. Don’t forget to include soothing balm in the kit. Your body is definitely going to ache after the climb. A soothing balm will come in handy just then.
  • Take short breaks, but don’t give in to the urge to sit down, lean against rocks, or collapse to the ground. Stopping to rest is likely going to make it harder for you to keep going, especially if you sit down. However, standing still for a couple of minutes while taking in the fresh air will help your body acclimatize to higher altitudes. During short breaks, it is an excellent idea to give your shoulders some rest if you are carrying a backpack. Stretch your shoulders, legs, and wriggle your toes before continuing your hike.
  • Never underestimate the descent. It can be as challenging as the climb, too! It is helpful if you practice downhill walking to improve your balance before going for a hike. You don’t want to risk calf strains and knee injuries.
  • Be friendly with the locals and the people you pass along the trail. Make it a pleasant experience for fellow climbers and others you meet by greeting them.
  • Selfies are great, except you should never take them along ridges. The same goes for jump shots. They are just too risky along ridges.
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