Review Time
I would strongly caution anyone considering this company.
I booked an Aconcagua expedition with this operator at a premium price, expecting professionalism, safety, and transparency. Unfortunately, my experience fell far below what was advertised and what is acceptable for a high-altitude expedition.
From the outset, communication was poor and disorganised. Upon arrival in Argentina, basic logistics were unclear, including transfers and coordination between the company and other climbers. At no point was it made clear that the company primarily acts as a “seller” rather than having its own staff or infrastructure on the mountain, something that is not transparently disclosed on their website.
Equipment issues arose immediately. Despite clearly providing my correct boot size in advance, I was given boots several sizes too large. I raised this concern multiple times and was repeatedly told to “wear more socks” and assured they would be fine. They were not. The boots were visibly old, with worn laces that later broke, and caused instability during the climb.
On the mountain, the conduct of the assigned guide was deeply concerning. He arrived late to the initial transfer, accompanied by his girlfriend, and during the journey realised he had forgotten mandatory park permits, requiring last-minute phone calls to friends/family to resolve the situation. This alone raised serious questions about professionalism and safety standards.
Throughout the expedition, I was repeatedly pressured to move faster despite difficult conditions, deep snow, and altitude. I made clear that I wanted to continue the climb but at a safer, steadier pace. Instead, I was told early on that if I did not “keep up” I would fail the expedition. Breaks were extremely limited, I was discouraged from stopping to drink water or eat properly, and the guide frequently walked well ahead, creating additional stress rather than support.
Load-carrying arrangements were also inconsistent and unclear. The amount porters would carry changed repeatedly, sometimes with no notice, forcing climbers to unexpectedly take on additional weight. Decisions around tents and safety at high camps contradicted what is stated on the company’s own website.
After a particularly difficult carry in heavy snow, during which I fell multiple times due to conditions and ill-fitting equipment, the situation deteriorated further. Instead of addressing safety concerns calmly at base camp, I felt increasingly blamed, dismissed, and pressured. Personal medical information that I had shared privately with a doctor was later discussed without my consent, which was both inappropriate and distressing.
Ultimately, I made the decision to leave the mountain for safety reasons. Rather than support this decision professionally, the company focused almost exclusively on additional costs, offering no meaningful alternatives and showing little concern for the circumstances that led to the decision.
I paid a substantial amount for this expedition and felt upcharged repeatedly for services and equipment that were old, poorly maintained, or not delivered as promised. The overall experience left me feeling unsafe, unsupported, and deeply disappointed.
High-altitude expeditions require trust, transparency, and a strong safety culture. Based on my experience, I cannot recommend this company.
I would strongly caution anyone considering this company.I booked an Aconcagua expedition with this operator at a premium price, expecting professionalism, safety, and transparency. Unfortunately, my experience fell far below what was advertised and what is acceptable for a high-altitude expedition.From the outset, communication was poor and disorganised. Upon arrival in Argentina, basic logistics were unclear, including transfers and coordination between the company and other climbers. At no point was it made clear that the company primarily acts as a “seller” rather than having its own staff or infrastructure on the mountain, something that is not transparently disclosed on their website.Equipment issues arose immediately. Despite clearly providing my correct boot size in advance, I was given boots several sizes too large. I raised this concern multiple times and was repeatedly told to “wear more socks” and assured they would be fine. They were not. The boots were visibly old, with worn laces that later broke, and caused instability during the climb.On the mountain, the conduct of the assigned guide was deeply concerning. He arrived late to the initial transfer, accompanied by his girlfriend, and during the journey realised he had forgotten mandatory park permits, requiring last-minute phone calls to friends/family to resolve the situation. This alone raised serious questions about professionalism and safety standards.Throughout the expedition, I was repeatedly pressured to move faster despite difficult conditions, deep snow, and altitude. I made clear that I wanted to continue the climb but at a safer, steadier pace. Instead, I was told early on that if I did not “keep up” I would fail the expedition. Breaks were extremely limited, I was discouraged from stopping to drink water or eat properly, and the guide frequently walked well ahead, creating additional stress rather than support.Load-carrying arrangements were also inconsistent and unclear. The amount porters would carry changed repeatedly, sometimes with no notice, forcing climbers to unexpectedly take on additional weight. Decisions around tents and safety at high camps contradicted what is stated on the company’s own website.After a particularly difficult carry in heavy snow, during which I fell multiple times due to conditions and ill-fitting equipment, the situation deteriorated further. Instead of addressing safety concerns calmly at base camp, I felt increasingly blamed, dismissed, and pressured. Personal medical information that I had shared privately with a doctor was later discussed without my consent, which was both inappropriate and distressing.Ultimately, I made the decision to leave the mountain for safety reasons. Rather than support this decision professionally, the company focused almost exclusively on additional costs, offering no meaningful alternatives and showing little concern for the circumstances that led to the decision.I paid a substantial amount for this expedition and felt upcharged repeatedly for services and equipment that were old, poorly maintained, or not delivered as promised. The overall experience left me feeling unsafe, unsupported, and deeply disappointed.High-altitude expeditions require trust, transparency, and a strong safety culture. Based on my experience, I cannot recommend this company.
Be careful of this company, they make you buy some options which will be less expensive in mountain :- tent pitching : 100$ - price in mountain : 25$. Even, sometimes the tent are pitched for serveral days because some waste are inside...- internet : 100$ - price in mountain : maximum 30$ and you won't have acces everywhere while you could with others companies.- when you arrived, they ask some additional fees (24$)- if the trek finish earlier, they don't propose others solutions of accommodation... so you paid for meal and night that won't never seen.If you are interest about Aconcagua's ascension, I would advice you to consider others companies (inka, grajales, andes expedicion,...), Acomara is just a seller, they have no knowledge of the reality. In dispite of this, the guides were really good.
I joined Acomara’s Aconcagua normal route expedition in December 2024, and it turned out to be the worst guided experience of my life. While the logistics (meals, tents, porters) were generally fine, the lead guide’s behavior and decision-making were absolutely unacceptable and caused our team to fail the summit—despite being physically ready.The guide was hostile and aggressive from day one. He regularly yelled at us for things outside of our control, made sarcastic and inappropriate comments, and treated us like a nuisance, not clients. The assistant guide, exhausted from hiking another client down to basecamp, was made to climb back up without rest and support us—completely irresponsible.The situation became dangerous when we were forced to attempt a summit from Camp 2 after barely 20 minutes of sleep, with no proper rest at Camp 3. After we reached Camp 3 in exhaustion and the burner wouldn’t work for hot water, we were blamed. The plan then shifted again: we were told we’d go back up to Camp 3 the next day, only to be told two hours later we were descending for good. None of it made sense, and no one felt safe trusting the team anymore.Even worse, after the trip I reached out to the company, hoping to give direct and constructive feedback. I was offered a meager partial refund. I accepted it in good faith—but they later claimed that by doing so I had agreed not to post any reviews. They completely dismissed the real issue: the guide’s hostile and unprofessional treatment, which put our team at risk and ruined the entire experience.This trip cost us over $8,000 each, not including add-ons and surprise charges for things we assumed were included. (They market low prices, but then charge extra for everything—read the fine print carefully.)Aconcagua is hard enough. The company guiding you should make you feel supported, respected, and safe. Acomara did the opposite. I would never use them again—and strongly recommend you look elsewhere for a truly professional expedition.
Awful Experience with Acomara and Lanko—Strongly Recommend Avoiding.My wife and I recently had the bad luck of choosing Acomara (with Lanko in the mountain) for what was supposed to be an exciting Aconcagua adventure, but it turned out to be a disaster. In our group of 18 people, only 5 summited. Here are some major concerns that made this trip nothing short of a nightmare:No Gear Check on Day 1:At the outset, there was no gear check before embarking on our journey. The guides treated it as optional, only conducting it if pressed. Considering the crucial role of gear in ensuring our safety, this lack of attention was a red flag.Food is a major issue:- Starvation and lack of water in the mountain: Until Plaza de Mulas, the food was acceptable. However, issues arose when we ascended the mountain. Throughout those 5-6 days, we were provided only with instant noodles and rice, lacking essential nutrients. No protein, no fibre, no vitamins leaving us exhausted. The only way to keep energy is if you bring your own food. In the 5 people who summited, all brought their own food and protein aside. The guides were rationing the water, as they have to melt ice for it. We had on average 2L per person/day, which is not enough for good acclimatisation at this altitude.- On summit day, they gave us a cake bar as only food. That is going for 10 to 13 hours to summit and back, with a cake. You cannot summit a 7000m mountain with those conditions, without having your own food aside.- Lack respect for our dietary requirements:Despite mentioning our dietary restrictions in our Acomara profile, pork was incorporated into many meals. There were instances where meals containing pork were claimed to be without it. One day in Camp 2, there was pretty much only snacks and variations of ham to eat. And the guides were making jokes about it, up until the very last day. We were starving and felt humiliated.Unnecessary fast pace on Summit day:Initially friendly, the guides took a drastic turn on summit day. We attempted on December 31st. Most other groups started their climb around 3:00-4:00 and had a slow pace. Our lead guide decided to start at 6:00 and have a fast pace. They went so fast that our group ended up passing all others and be first at the top. We've never had that pace at any time during the expedition. Rather than motivating, the guides resorted to threats, stopped everyone who didn't pick up the pace. I personally had great acclimatization but was a bit slower than others, so they forced me to stop and asked my wife to continue. The day before, one person died trying to summit, and they even told my wife: ""There is no love in the mountain. You should leave him and continue". Their excessive speed led several strong climbers to give up, as they struggled to keep up. And only 5 people made it, out of 18.When we shared the feedback to Acomara, they only pushed back invoking security, without trying to understand what happened.Heavy rental gear:The gear we rented the company was old and too heavy for the pace they expected us to maintain during the summit. Those who successfully summited all had their own boots, emphasizing the inadequacy of their rental equipment.Offensive Jokes and humiliations:To exacerbate the situation, the guides thought it was amusing to crack tasteless jokes. The lead guide, in particular, made many derogatory comments such as, on the Japanese and their small eyes, mimicking how a person initally appeared strong but had vomited due to altitude sickness on summit day, or insults for "European rats that don't want to spend money buying their own gear". Those were not only unprofessional but also created an uncomfortable atmosphere.Discrepancies between Acomara prices vs on the mountain:We discovered that we were charged more by Acomara than the prices we found in the mountain. This was the case for porters, wifi, tent pitching, and many others. Additionally, guides mentioned that Acomara employees lack mountain knowledge and tended to overcharge, contributing to a negative atmosphere.
I first found Aconcagua expeditions online at aconcaguaexpeditions.com The reviews seemed good and the dates I wanted aligned so I sent them an email. Communication was excellent and within a few days Fernando put time aside to video call me and talk me through the plan for an expedition. What to expect, the equipment I would need and I had chance to ask any questions. Before we departed on the expedition we met our guides (one had summited 51 times and the other 23) and they checked all our equipment and helped me rent anything extra I required. We were then driven to Penitentes close to Aconcagua park to spend a night. We stopped on the way for some amazing authentic Argentinian Asado. The next day our permits were sorted quickly and the expedition had begun in earnest. The guides constantly kept us informed on what the plan was for each day. The accommodation at Comfluencia and Plaza de Mulas is in dorm tents and is comfortable. The food at both places was excellent and you can ask for seconds. We did an acclimatisation hike to plaza Francia fromConfluencia and another from Plaza De Mulas (4250m) to Mount Bonete (5050m). This was also an opportunity to test the plastic boots and make sure they didn’t cause any feet problems. The next day we rested and had a lesson and practice on how to self arrest with poles and to practice walking In crampons to ensure they fit well and gain confidence. The guides emphasise drinking at least 4 litres a day at this altitude and they always have hot and cold water on hand at camps. A medical check at Confluencia and Plaza de Mulas checks hear rate, oxygen absorption and blood pressure to ensure acclimatisation is working well. On leaving base camp things get more serious. The guides pace the ascents well and prepare food on arrival to recuperate energy. Porters are available to carry equipment up from base camp if required. On summit day the guides prepare breakfast and bring it to the tent as it’s dark and cold at 4am ish. Usually they start walking around 5am. One of our group didn’t feel up to going to the summit and wanted to decend asap. One of the guides took her down to base camp leaving just one guide for the remaining 3 people. The guide set a good pace on summit day and allowed for plenty of breaks. 200m from the summit a client wanted to turn around, this could of meant we all had to turn back but the guide went above and beyond, taking the tired client down to a safe spot to rest and wait and returned to the two remaining clients to take us to the summit. The other client reached the top but had exhausted themselves (the guides emphasised keeping energy in reserve to get down). However, the guides worked professionally to rope the client up and help them decend back to camp 3 safely. At this point I want to emphasise, Aconcagua is no joke and each person needs to be self aware and don’t push to exhaustion. The guides will help you but just be aware that it becomes more dangerous for everyone in this scenario. The guides got everyone back down safely and we descended the rest of the way to the park entrance in 2 days. I can’t speak more highly of the service I received and the commitment of the guides to get me to the summit safely. I highly recommend booking with Acomara. Once back in Mendoza we had a final celebration dinner and received a small medal.
I have been on many mountaineering expeditions in my life and 1-week organized trek of the MT Aconcagua, guided by Acomora Aconcagua Expedition was by far the best. Our entire team was fortunate to have the experienced, patient and caring guides, and cannot thank enough for their extreme support and endurance to each complexity to reach the summit. Yes, the climb to the Acconcagua is a challenge due to its steep altitude, and wavering weather. However, Acomora prioritizes the performing experiences of their chefs, guides, and porters that enhance their delivery of a comfortable expedition to the fellow travelers. If you are thinking for a hike, trek or climbing- ask for Acomora and count yourself lucky as they thrive with each expedition. A climb to remember forever- Well! We are fortunate enough for their sure ride to the Aconcagua summit, and exploring breathtaking and wondrous sights of mountains and glaciers of the Andes. Overall, this was the climb that is superbly arranged and organized by the entire team of Acomora to denote a balanced expedition. While the climb was tough, it taught us the level of endurance, and how your energy and determination work wonders if you are in good hands. Again, I would like to thank our guides for their informative, sympathetic, encouraging and adroit nature, and I am sure they will perform with exact zeal with all their clients. Call them at (+54-9-261) 618-1000.
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