Patagonia & Andean Volcanic Ski Index 2026

    Every commercially significant South American ski resort — from Portillo and the Tres Valles cluster above Santiago, through the Chilean volcanic belt (Chillán, Corralco, Antillanca, Pucón), into the Argentine Mendoza freeride heartland (Las Leñas) and Lakes District (Bariloche, Chapelco), and down to Cerro Castor at the world's southernmost ski latitude (54.8°S) — compared on adult walk-up day pass (USD), piste kilometres, top elevation, latitude and average annual snowfall.

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    18 resorts in the index

    ResortCountryRegionPass (USD)Piste (km)USD/kmTop (m)Lat (°S)Snow (m/yr)SeasonNotes
    Nevados de ChillánChileChilean Volcanic Belt$7535$2.142,70036.912 m
    Jun–Oct
    South America's deepest snowpack on Volcán Chillán, thermal hot springs, fumaroles
    CorralcoChileChilean Volcanic Belt$7030$2.332,73038.410 m
    Jun–Oct
    Volcán Lonquimay, monkey-puzzle (araucaria) tree skiing, Valle Corralco lodge
    AntillancaChileChilean Volcanic Belt$5020$2.501,99040.89 m
    Jun–Sep
    Volcán Casablanca, freeride bowl, Osorno region quiet resort
    Valle NevadoChileCentral Chile (Tres Valles + Portillo)$9544$2.163,67033.48 m
    Jun–Oct
    Highest South American resort by top elevation, Tres Valles centre, heli base
    PortilloChileCentral Chile (Tres Valles + Portillo)$9025$3.603,33032.88 m
    Jun–Oct
    Iconic Hotel Portillo Sunday-to-Sunday week format, Roca Jack ridge, racing heritage
    La ParvaChileCentral Chile (Tres Valles + Portillo)$7540$1.883,63033.38 m
    Jun–Oct
    Tres Valles, advanced-only ridge runs, weekend-Santiago crowd
    Pucón (Villarrica)ChileChilean Volcanic Belt$6020$3.002,44039.48 m
    Jul–Oct
    Volcán Villarrica active stratovolcano, summit ascent ski tour, Pucón town base
    Las LeñasArgentinaArgentine Mendoza$8030$2.673,43035.28 m
    Jul–Oct
    South America's largest single-mountain freeride (1,190 m vert), iconic Marte chair, on-mountain village
    El ColoradoChileCentral Chile (Tres Valles + Portillo)$7030$2.333,33333.47 m
    Jun–Oct
    Tres Valles entry resort, beginner-friendly Cuatro Lobos, day-trip from Santiago
    PenitentesArgentinaArgentine Mendoza$4525$1.803,19432.96 m
    Jul–Sep
    Aconcagua access route, small but historic Mendoza resort, Cordillera highway
    Catedral BarilocheArgentinaArgentine Lakes District$7053$1.322,18841.26 m
    Jun–Oct
    Catedral Alta Patagonia, largest Argentine resort by lifts, Bariloche town with chocolate culture
    CaviahueArgentinaArgentine Lakes District$5017$2.942,40037.96 m
    Jun–Oct
    Volcán Copahue base, thermal spa village, monkey-puzzle forest
    Cerro CastorArgentinaTierra del Fuego$6028$2.141,05754.86 m
    Jun–Nov
    World's southernmost commercial ski resort, longest South American season, Beagle Channel views
    Glaciar MartialArgentinaTierra del Fuego$252$12.501,05054.86 m
    Jul–Sep
    Above Ushuaia city, single drag lift, world's southernmost ski lift
    ChapelcoArgentinaArgentine Lakes District$6527$2.411,98040.25 m
    Jun–Oct
    San Martín de los Andes, family-and-intermediate focus, monkey-puzzle backdrop
    Cerro BayoArgentinaArgentine Lakes District$5524$2.291,78240.75 m
    Jun–Sep
    Villa La Angostura, Lake Nahuel Huapi views, quiet Bariloche alternative
    La HoyaArgentinaPatagonia (south of 45°S)$4024$1.672,05042.95 m
    Jul–Oct
    Esquel, south-facing aspect, longest Patagonian season after Cerro Castor
    Cerro MiradorArgentinaPatagonia (south of 45°S)$358$4.3860045.94 m
    Jul–Sep
    Esquel, Chubut, family local hill, gateway to Los Alerces NP

    Latitudes are shown as degrees south. Cerro Castor (54.8°S) is the world's southernmost commercial ski resort.

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    Frequently Asked Questions

    Roughly 35 commercial ski areas operate across Chile and Argentina, of which approximately 18 are of national or international significance. This index covers those 18 commercially significant resorts — from Portillo and the Tres Valles cluster above Santiago at 32–33°S, through the Chilean volcanic belt and the Argentine Mendoza/Lakes District, to Cerro Castor in Tierra del Fuego at 54.8°S (the world's southernmost commercial ski resort).

    Nevados de Chillán on Volcán Chillán (Chile, 36.9°S) records the deepest snowpack in South America with an average of 12 m of annual snowfall — driven by Pacific storm exposure on the windward Andean slope and the cold-air pool over the volcanic basin. Corralco on Volcán Lonquimay (10 m), and the Chilean Tres Valles plus Portillo (8 m) follow. The Argentine side of the Andes receives roughly half the snowfall of the Chilean side at equivalent latitudes due to the rain-shadow effect.

    Cerro Castor in Tierra del Fuego (Ushuaia, 54.8°S) has the longest commercial ski season in South America — typically mid-June through mid-November (5 months). The cold-air pool from the Antarctic Convergence keeps the snowpack in winter condition far later than any other commercial resort. Valle Nevado and Portillo run the second-longest seasons (mid-June through mid-October). The Argentine Lakes District resorts (Catedral, Chapelco) and the Chilean volcanic resorts run mid-June through early October.

    Las Leñas in Mendoza (Argentina, 35.2°S) is the largest single-mountain freeride in South America with a 1,190 m vertical drop accessed by the iconic Marte chairlift. The off-piste terrain accessible from the Marte ridge is comparable in scale to Verbier's Mont-Fort or Chamonix's Aiguille du Midi. Portillo offers more concentrated steep ridge skiing on Roca Jack but with shorter individual descents. The Tres Valles cluster (Valle Nevado + La Parva + El Colorado, ~120 km combined pistes) is the largest connected resort area in South America.

    Cerro Castor (Ushuaia, 54.8°S) is the world's southernmost commercial ski resort. The 28 km of pistes are predominantly intermediate cruising spread over a 770 m vertical drop, with cold-stable snow conditions through mid-November (the latest of any South American resort). The compelling reason to visit isn't the ski terrain itself but the combination: skiing at the end of the world, the Beagle Channel views from the upper lifts, Tierra del Fuego National Park's coastal sub-Antarctic forests, and Ushuaia city as the world's southernmost ski town.