We couldn’t help but stare in silence at the huge blue-tinged wall of ice before us, seemingly transported from a frozen alien world.

Soaring 74 metres (558 feet) above the ice-cool waters of Lago Argentino, the glacier’s roof stretched back as far as our eyes could see, its needles of frozen water protruding like massed rows of icy warriors readying for battle.

Suddenly, movement to our right at the glacier’s cliff edge interrupted our gaze. A huge slab of ice, the size of a small hotel, fell away as if it had been sliced from its wall with an invisible cosmic axe. No sound at first, but then the delayed cacophony of noise rumbling across the narrow stretch of water standing between us.

The slab crashed vertically into the calm waters of the lake below, breaking up into mini-icebergs and sending waves across the lake towards us.

A celebratory cheer broke out amongst our fellow travellers in recognition of what we’d just witnessed. An iconic natural event that for once wasn’t rooted in the negative effects of global warming.

One of only a few glaciers in the world that are advancing rather than retreating, Perito Moreno Glacier in Argentina is a thrilling travel experience. It’s also a photographer’s paradise. And you don’t have to be an intrepid explorer to get there.

If you’re travelling to South America, you really shouldn’t miss it. And to help you plan for it, here’s our complete guide to what is undoubtedly one of the continent’s outstanding natural attractions.

* Note that the Argentinian economy is blighted by high inflation and an ever-weakening currency, so although prices have increased dramatically over the past few years, the real cost for international travellers has come down markedly. For example, when we visited in March 2019 the exchange rate was 52 Argentinian pesos (ARS) to £1. At the time of writing (September 2019) the rate is 69 ARS to £1. Nevertheless, the local prices we quote in this article are correct for 2019, but they will almost certainly increase in the years ahead.

About Perito Moreno Glacier

Situated 78 kilometres (48 miles) from El Calafate, the glacier is part of Los Glaciares National Park in Southern Patagonia.

A UNESCO World Heritage site since 1981, it’s part of the world’s third-largest ice cap (behind Antarctica and Greenland) and is the world’s third-largest reserve of fresh water.

Spanning an incredible 250 square kilometres (97 square miles), it’s 30 kilometres (19 miles) long, drops 700 metres (2,300 feet) at its deepest point and stretches 5 kilometres (3.1 miles) wide at its terminus on Lago Argentino.

Suffice to say, it’s a beast of a glacier.

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Your Glacier Experience Options

There are three ways of experiencing the glacier:

A) By strapping on crampons and actually walking on it.

B) By exploring the various well-marked and informative trails on a dedicated boardwalk.

C) By taking a boat (or even kayak) trip out onto the lake.

A) Walking on the Glacier

We’d decided beforehand that we’d splash out on what was for us, a budget-busting ice walk. Several tour operators in El Calafate offer the same two tours.

The mini-trek involves 90 minutes on the glacier and costs 6,500 ARS (£93 / $116).

The Big Ice tour lasts for five hours and costs 11,500 ARS (£165 / $205). Because of the perceived physical demands, it’s limited to people between 18 and 50 years old. Although I’d have to say that age is not necessarily the best determiner of physical fitness!

If you have your own transportation to and from the ferry terminal (as we did in our camper van), then a discount of approximately £20 / $25 applies.

We opted for (and can recommend) the mini-trek offered by Hielo & Aventura, which you can book online or through their office in El Calafate.

You should also be aware that there’s an additional 700 ARS (£10 / $12.50) entrance fee to Los Glaciares National Park.

One of the advantages of the trekking tour is that you initially take a boat from the ferry terminal, which passes the glacier en route to the starting point. And that first glimpse of the glacier’s wall of ice from our vantage point on the deck will forever be etched in our memories.

Back on dry land, we left our daypacks behind at a lodge and began our 20-minute walk through forest and across a rocky beach to the starting point for the trek. It was here that our guide talked us through the glacier’s history and geological significance.

The fact that we were already so close to the glacier made the trip worthwhile by itself. No matter in what direction we looked, an astonishing landscape of ice, rock and lake greeted us.  Meanwhile, conflicting moods of gloomy dark and vibrant light jostled with each other as the clouds and mist danced their way across the ever-changing sky.

The fact that we were already so close to the glacier made the trip worthwhile by itself. No matter in what direction we looked, an astonishing landscape of ice, rock and lake greeted us. Meanwhile, conflicting moods of gloomy darkness and vibrant light jostled as the clouds and mist danced their way across the ever-changing sky.

But before the mini-trek could begin, there was the small matter of putting on our crampons (ice shoes). Fashionistas beware, they’re about as appealing as second-hand clogs. But, once they were strapped on and we ventured out onto the ice, we were grateful for them.

Our guide led us up and down the undulating hills of the outer glacier. We passed streams, gullies, crevasses and small caves. Shards of honeycombed glacial ice stretched out above us, their interiors illuminated blue. Indeed, it was almost as if something was glowing inside them, rendering them semi-transparent.

Occasionally we stopped to fill our drinking flasks from the icy glacial water as it dripped into tiny lagoons. And other times we stopped to look around us and take in the sublime surroundings.

The hike itself – although deemed “moderate” in intensity – is a pretty gentle stroll that shouldn’t trouble most people. Especially after you’ve mastered the art of walking in crampons.

And, at the end of the 90-minute walk, our guides prepared glasses of Scotch whisky “on the rocks” for us to taste. With glacial ice, of course. A nice gesture, for which I reluctantly held my tongue rather than complain that I would have preferred mine “neat”.

And then it was back to base for quite possibly the best picnic-with-a-view we’ve ever had the pleasure of eating.

The Big Ice trek will take you deeper into the glacier, where you’ll see larger caves and fewer people. Something we’d consider next time we visit.

B) Hiking on the boardwalk

If you do the mini-trek, you’ll still have time to be dropped off at the nearby boardwalk for completely different views of the glacier. Which is actually a good thing, as you’ll arrive there mid-afternoon, after which the number of fellow tourists dwindles from 5 pm onwards.

The boardwalk branches off in many directions and down multiple levels, so although there are plenty of other people around, it doesn’t necessarily feel too crowded.

From the upper levels, the view across the glacier is nothing short of epic. And I can only imagine what it must be like on a clear, sunny day.

The important thing to remember is not to rush your way around. In fact, you could quite easily spend the best part of a day wandering about looking for different perspectives and then just gazing at the spectacle in front of you. Believe me, you’ll find it difficult to tear your eyes away.

And then, if you’re lucky enough, you’ll witness a “calving” when one or more huge chunks of ice fall from the wall and drop into the lake below. It’s a moment worth waiting for.

If only we’d had the presence of mind to have our camera ready when it happened for us!

C) Taking a boat trip

And, of course, you can combine the boardwalk with a boat trip that takes you within 100 metres of the base. Far enough away to avoid any shards of ice dropping onto your head, it’s still close enough for some spectacular close-up photographs.

Although you can pre-book these with tour operators in El Calafate, you can actually buy tickets on the day at the Navegación kiosk inside the national park.

And if all that sounds just a little too sedentary, you could always take a 90-minute kayak tour for a cool £144 / $180. Sounds like one for us next time, too!

Glacier rupture events

Although you see the glacier “calving” on any given day, there are special natural events called “ruptures” that happen at longer intervals – typically every two to four years.

As I mentioned earlier, the Perito Moreno Glacier is advancing, which causes a section of it to reach a stretch of land where Lago Roca meets Lago Argentino. As the ice melts into the lake, an arch forms and eventually collapses. The resulting icy carnage is one of the world’s great natural spectacles and draws crowds of people when it’s imminent.

Here’s a great National Geographic video that explains the phenomenon.

Typically it occurs in March, at the end of the Patagonian summer. The last one was in March 2018. But unfortunately for tourists, it happened overnight. However, the March 2016 rupture is featured in many YouTube videos.

Although, once again, the calvings and ruptures are NOT a by-product of global warming but rather the natural cycle of the Perito Moreno Glacier as it advances and melts.

We missed out when we were there in March 2019. So maybe, if you’re there, you’ll be lucky.

Getting there

Your base for visiting the glacier will almost certainly be El Calafate. However, it’s also possible to camp between the town and the National Park (you can’t camp inside the park itself). We wild camped at Lago Roca to give ourselves the best chance of an early start.

Several shuttle buses run twice per day from El Calafate (07:30 to 09:00 and 13:00 to 14:00, returning 16:00 to 16:30 and 19:00 to 19:30). Tickets cost 800 Argentinian pesos (ARS) – approximately £11.50 or $14.25 at the time of writing.

In the high season (December to March), you should buy your tickets the day before. But it’s still possible to buy them on the day.

Hitch-hiking is almost a way of life in this part of South America, so plenty of car and camper van drivers are happy to pick people up. Just head west on Ruta 11 as 90% of passing cars will be bound for the glacier. But make sure you’ve thought about getting back!

Taxis are an expensive option unless you share with two or three other people.

Tours from El Calafate incorporate boat trips and glacier hikes, but come with a much heftier price. They can be booked either directly with your hotel/hostel or by simply walking into one of the tour operators lining the main street.

The most flexible way to get there is by rental car or, as in our case, a camper van. Although these are usually hired as part of a wider road trip around Patagonia.

Whatever your mode of transport, you’ll need to pay an entrance fee for Los Glaciares National Park of 700 ARS (£10 / $12.50).

El Calafate

As you might imagine, El Calafate is pretty remote.

Unless you’re visiting as part of a wider trip around Patagonia, you’ll probably need to arrive by plane. There are direct flights from Buenos Aires, San Carlos de Bariloche (in Northern Patagonia) and Ushuaia (in the extreme south). They’re not cheap but considering that buses from Bariloche and Ushuaia take 24 hours and 15 hours respectively, they’re probably a better bet.

From the northern section of Los Glaciares National Park, a bus from El Chaltén to El Calafate takes just three hours and costs from 600 ARS (£8.50 / $10.50).

Otherwise, if you’ve hired a camper van or something similar, El Calafate is perfectly placed between El Chaltén in the north and Torres de Paine over the Chilean border to the south.

The town of El Calafate itself is full of hotels, tourist shops, restaurants and tour operators. It’s pleasant enough and is good for a night out after a day hiking around the glacier and surrounding areas.

We can’t personally recommend any hotels as we camped both in and out of town during our three nights there.

Best time to visit

This is Patagonia so the weather can be changeable at any time of the year. And strong winds are almost a permanent feature.

Undoubtedly the most reliable period is the Patagonian summer between December and March, with higher temperatures and potentially sunny skies. Which naturally coincides with the largest number of visitors.

However, we’ve heard that the autumnal colours during April and May contrast beautifully with the ice and are well worth seeing. And, combined with lower visitor numbers, it’s a good alternative.

Final thoughts on Perito Moreno Glacier

We can’t speak highly enough of Perito Moreno Glacier as a travel destination. For glaciers of this magnitude, it’s easily the world’s most accessible and doesn’t require an awful lot of effort to reach.

Sure, it can get busy, but you really shouldn’t let that put you off.

For us, it’s one of the most memorable highlights of our four-and-a-half years of travel. And we’d return in a heartbeat.

Only I might take my own flask of single malt whisky with me next time!

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What did you think? Have you been to the Perito Moreno Glacier? Do you have any recommendations to add? Or perhaps you’re thinking of visiting there soon? Either way, we’d love to hear from you so please add your comments below.