Andes Ski Guide: Skiing Chile and Argentina

Andean skiing is high, dry and inconsistent, and you should pick your year almost as carefully as you pick your resort. The best of it -- the thin, cold air on a 3,600 m Chilean peak, the empty steeps of Las Leñas, the lake views off Cerro Catedral -- is world-class. But the snow is genuinely fickle here in a way the Alps and the Rockies are not, and the honest version of this guide leads with that rather than burying it. Skiing the Andes in the northern-hemisphere off-season is a fantastic idea; skiing them in a drought year is a expensive disappointment. Learn which is which before you book.

The two Andes: high and dry, or lower and wetter

The single most useful mental split is by latitude. The central Andes -- the resorts near Santiago and, on the Argentine side, Las Leñas in Mendoza province -- are high, arid and cold. Bases sit near or above 2,500 m and summits push past 3,400 m, so when snow does fall it stays light and dry, and the sky is often a hard cloudless blue. The trade is that these are alpine deserts. There is very little tree cover, weather can shut the top for days, and a poor snow year leaves the rock showing.

Patagonia, farther south, is the opposite temperament. Cerro Catedral above Bariloche, plus Chapelco and Cerro Bayo, sit at much lower elevations in a maritime climate. Snow comes more often but heavier and wetter, wind is a constant companion, and you actually get trees to ski when the light goes flat. The scenery -- lakes, forests, the odd volcano on the horizon -- is the best in South America. The snow quality, on average, is not.

Neither half is reliably better. They just fail differently, and if you have the flexibility, chasing the recent snowfall between the two regions is smarter than loyalty to one.

Chile near Santiago: the Tres Valles and Portillo

Most first-time Andes skiers land in Santiago, and for good reason -- the biggest concentration of terrain is a short, steep drive from the capital. Above the old stone village of Farellones, three linked resorts form the Tres Valles: Valle Nevado, La Parva and El Colorado. On a single well-connected ticket this is the largest linked skiing in Chile, and it is genuinely high -- Valle Nevado's terrain runs well above 3,000 m, which is why the snow up there stays cold and dry when lower resorts turn to mush.

The three have distinct characters. Valle Nevado is the purpose-built, French-designed one, with the tidiest lift system, the ski-in ski-out hotels and the heli-skiing operation working off its ridgelines. La Parva leans toward Santiago's weekend-home crowd and has excellent off-piste for those who know where to look. El Colorado is the sprawling, more affordable, family-friendly option just above Farellones. Buy the linked pass if the connections are open and the snow is good; ski them individually if not.

The access road is part of the experience and part of the problem. It is a relentless series of switchbacks -- dozens of numbered hairpins -- climbing out of the valley, and in winter it can demand chains or close outright after a storm. Reckon on an hour or more from the city in good conditions and considerably more in bad. Do not plan a tight same-day flight connection around that road.

Then there is Portillo, and Portillo is its own thing entirely. It sits alone up near the Argentine border on the highway toward Mendoza, roughly 2-3 hours north of Santiago, with no town attached -- just the famous canary-yellow hotel perched above the frozen Laguna del Inca. It runs on week-long, largely all-inclusive packages, so you arrive Saturday and stay put, which suits some travellers perfectly and would drive others up the wall. The mountain punches far above its lift count, with serious steep terrain served by its unusual fixed slingshot lifts that fire five skiers uphill at once across avalanche-prone bowls. It hosted a World Championships back in the 1960s and has been a summer training base for northern-hemisphere race teams ever since. If you want an intimate, all-in, ski-hard week with no distractions, Portillo is the pick. If you want variety, nightlife or the freedom to move around, it is the wrong shape.

Nevados de Chillán: volcanic terrain and hot springs

Farther south, about a long drive below Santiago near the city of Chillán, Nevados de Chillán is the outlier and the connoisseur's choice. It sits on the flanks of an active volcano, which gives it two things nothing else in Chile has: genuinely long descents -- one of the longest marked runs in South America drops through the trees for many kilometres -- and natural hot springs to soak in at the end of the day. The elevation is lower than the Santiago resorts, so it catches more frequent snow, and the araucaria forest means you actually have tree skiing and shape to the terrain when a whiteout kills visibility up top. Cat-skiing operations open up the volcanic backcountry beyond the lifts. It is farther from the airport and quieter for it, and that quiet is precisely the appeal.

Argentina: Patagonia's giant and a freeride legend

Cross the spine of the Andes and the mood changes. Cerro Catedral, a short drive from the lakeside city of San Carlos de Bariloche, is generally reckoned the largest ski area on the continent. What it lacks in altitude it makes up in sprawl and in a huge quantity of accessible off-piste for those willing to hike or hire a guide. The views over Lago Nahuel Huapi are the best you will ski to anywhere in South America. The catch is the weather: being lower and more maritime, Catedral gets wind-affected, variable snow, and a bad spell can leave the upper mountain closed and the lower slopes heavy. On a good week it is superb; on a bad one it is a lesson in Patagonian patience.

Las Leñas, off on its own in southern Mendoza province, is the one serious freeriders cross the world for. It is remote -- a long haul from the nearest city -- and the resort itself is a modest cluster of buildings, but the terrain above it is the stuff of legend. When the Marte chair is open, it unlocks an enormous playground of chutes, couloirs and open faces that rank among the best lift-accessed steep skiing anywhere. The operative phrase is when the Marte chair is open, because wind and avalanche risk close it often, sometimes for days. Las Leñas rewards patience and punishes tight schedules. Intermediates will find the groomed terrain limited; experts will find a lifetime's worth.

The gentler Patagonian pair round things out. Chapelco, above the pretty town of San Martín de los Andes, is family-friendly, well-treed, and looks out toward the cone of Volcán Lanín. Cerro Bayo, above Villa La Angostura, is small, boutique and blessed with lake views -- a lovely, low-key day rather than a destination in its own right.

The snow honesty: El Niño, La Niña and drought

Here is the part the brochures skip. The central Andes snowpack is tied tightly to the El Niño-Southern Oscillation. El Niño winters tend to steer more storms and more snow onto the Chilean and Mendoza resorts; La Niña winters tend to leave them dry. On top of that cycle, the region has endured long stretches of drought that thinned the snowpack for years running. The upshot is real variance: a superb season and a threadbare one can sit two winters apart on the same mountain. Snowmaking exists but cannot paper over a genuinely dry year across this much terrain.

None of this means don't go. It means watch the season as it develops, keep your booking flexible if you can, and be ready to favour whichever region -- central Chile or Patagonia -- is actually catching snow that particular winter. Our guide to the southern-hemisphere ski season digs into the timing across the whole hemisphere, and if you are weighing the Andes against the other options down south, the New Zealand and Australian guides make the comparison.

Heli and cat skiing: the Andes' quiet advantage

The Andes' thin lift infrastructure is, oddly, a selling point for advanced skiers, because the off-lift options are excellent and uncrowded. Heli-skiing operates out of the Valle Nevado area and elsewhere in the central cordillera, dropping you onto high, dry, wide-open bowls with no one else in them. Cat-skiing is available at Nevados de Chillán and at boutique operations tucked into the mountains near the Santiago-to-Mendoza corridor. Prices are lower than the equivalent in North America, and the terrain is vast. For strong skiers, a couple of guided days off the mechanised grid is often the best money you will spend on an Andes trip -- just build weather contingency into the plan, because these operations live and die by the wind.

Getting there: three gateways

Three cities do the heavy lifting. Santiago is the hub for the Tres Valles and Portillo, with transfers up the switchback roads. Mendoza, over on the Argentine side, is the gateway to Las Leñas, though the resort is a long drive farther south and some travellers fly closer via the small regional airport near it. Bariloche serves Cerro Catedral directly and is a short hop from the airport, while San Martín de los Andes (for Chapelco and Cerro Bayo) has its own airfield. If you are combining Chilean and Argentine resorts on one trip, factor in that crossing the Andes overland can be slow and weather-dependent, and flying between Santiago and the Argentine cities is often the saner move.

Where to stay

For a first Andes trip built around the Santiago resorts, staying up the mountain rather than commuting the switchback road each day is the move -- it buys you first tracks and spares you the worst of the traffic and the chain checks. Valle Nevado is the most self-contained base, with ski-in ski-out hotels clustered at altitude and the linked Tres Valles terrain on your doorstep when the connections are open. The trade is altitude and price: you are sleeping high, so give yourself an easy first day, and the on-mountain hotels do not come cheap. If budget matters more than ski-in convenience, basing lower around Farellones or El Colorado and riding up is the cheaper play.

Picking your Andes

If you want the highest, driest snow and the shortest transfer from a major airport, the Santiago resorts are the answer, with Portillo as the all-in, ski-hard week for people who like being cut off. If you want the biggest terrain and the best scenery and you will accept fickle maritime snow for it, Cerro Catedral is the one. If you are an expert chasing the steepest lift-served lines on the continent and you have the patience for closed lifts and long drives, Las Leñas is worth the pilgrimage. And if you want hot springs and volcano trees away from the crowds, Nevados de Chillán quietly beats them all.

Whichever way you lean, treat the snow report as the deciding vote. In the Andes, the mountain you should ski this winter is the one that is actually getting snow -- and that is not always the one you planned on. If the timing is your real question rather than the place, start with the southern-hemisphere ski season guide and work backward from there.