
Cerro Castor
The southernmost ski resort in the world, and one of the best add-on weeks in South America.
- Vertical
- 830 m
- Summit
- 1,057 m
- Season
- Jun, Oct
- Country
- Argentina
Cerro Castor is the southernmost ski resort on the planet, just outside Ushuaia at the bottom of Patagonia. Cold, dry snow, tree-lined runs above the Beagle Channel, and a long season that often runs into October. It pairs naturally with national park days, Beagle Channel cruises and the wider end-of-the-world story. Smaller than the headline resorts, but a unique add-on to a South America trip.
- World's southernmost ski resort
- Cold, dry snow microclimate
- Combine with Tierra del Fuego National Park and Beagle Channel
- Long season, often well into October
After five seasons here.
I almost never recommend Castor as a primary destination, and I almost always recommend it as a leg of someone's trip. The skiing is genuinely good. The location, end of the world, Beagle Channel, penguins, national park, is what people remember.

Ski-day snack stop in Ushuaia, the kind of small moment that makes Castor feel personal.
- +Travellers who want a unique 'edge of the world' experience built around skiing
- +Riders of any level, Castor has a genuine full range of terrain
- +Anyone combining the ski days with national park, hiking or wildlife
- +Late-season visitors chasing September/October snow
- ,Travellers prioritising vertical or scale
- ,Tight short itineraries, Ushuaia adds flight legs
- ,Anyone trying to fly in just to ski and fly out
Skiers, snowboarders, and mountain-oriented travellers see this place differently.
Genuine progression range, beginner-friendly lower mountain, intermediate cruisers and a solid expert pocket up top. Cold, dry snow that holds better than further north.
Cold microclimate keeps the snow drier than anywhere else in Argentina, the tree spacing rewards riders on storm days, and the upper bowls give clear-day reset terrain.
Tierra del Fuego is one of the most under-explored touring zones in Patagonia. Hire a local guide, short daylight, real weather, and a wilderness factor that punishes casual planning.
South America ski trips rarely involve just one resort.
If you want one Argentine ski week with size and a real town, Catedral is the choice. Castor is the leg you add to make the trip unforgettable.
→ Read moreBoth are 'destinations as much as resorts'. Castor for the end of the world; Chillán for volcanic terrain and hot springs.
→ Read moreWhat I see people get wrong.
- 01Treating Ushuaia as a primary ski destination when it's strongest as an add-on.
- 02Forgetting how much time the flight legs eat, Ushuaia is not a quick hop.
- 03Underestimating how short daylight is in July and planning long ski days.
- 04Skipping the national park and Beagle Channel because of a packed ski schedule.
Three to four ski days at Castor inside a longer Ushuaia week. I'd build in a Beagle Channel boat day, the national park, and one quiet night for the king crab and the wine. As a leg of a larger trip, Catedral first, Ushuaia second, it's some of the best value any traveller will find on a South America itinerary.

Long winter evenings in Ushuaia, cards, wine and a slower post-ski rhythm.

Patagonian asado by the fire, exactly the kind of dinner that belongs in a Castor week.
Everything you need to decide if this resort fits your trip.
Fly into Ushuaia (USH) via Buenos Aires (~3h 30m). Then 30 minutes by road to the mountain.
Ushuaia city for restaurants, hotels and reliable shuttles, or cabins along the road to the mountain for quiet and quick access.
Useful if you'll combine the national park with skiing. Skip if you'll only ski and eat in the city.
Genuine range, strong beginner terrain through to an expert pocket up top.
Cold microclimate keeps the snow drier than further north. Tree runs are reliable on storm days.
Ushuaia has a strong food scene, king crab, lamb, seafood. Onsite mountain dining is functional.
Strong. Small enough to manage with kids; the city offers plenty for non-ski days.
Cold, often windy, with reliable snow. Daylight is short in July, plan compact ski days and longer evenings.
Day and multi-day passes. Not in the major international pass programs.
Beagle Channel cruises, national park hikes, penguin colonies, snowmobile tours, dog sledding.
Treating Ushuaia as a primary ski destination when it's strongest as an add-on.
When the trip is about the experience as much as the skiing, end of the world, national park, and a few good ski days mixed in.
Let's build the itinerary.
Tell us when you can travel and what you ride. We'll design a Cerro Castor trip around the conditions.


