Tarentaise valley ski guide: the world's densest lift network

Three of the largest linked ski areas on earth sit in one French valley, within about 50 km of each other. Drive up the Isère from Albertville and you pass the turning for the Three Valleys at Moûtiers, Paradiski at Aime and Bourg-Saint-Maurice, and Espace Killy at the head of the valley. That is roughly 1,325 km of pistes off a single road. Nowhere else comes close, and nowhere else has a traffic problem like it.

The three mega-areas, and who each one is actually for

Three Valleys (about 600 km, eight resorts). Courchevel, Méribel, Val Thorens, Les Menuires, Saint-Martin-de-Belleville, La Tania, Brides-les-Bains and Orelle. The point of it is not the piste total -- nobody skis 600 km -- it is that intermediates can cross three valleys and back in a day and feel like explorers while never leaving a blue or red. It is also the most expensive corner of France, and the sheer number of beds means Méribel's central valley is genuinely crowded in February.

Espace Killy (about 300 km). Tignes and Val d'Isère, running 1,550-3,456 m. The smallest of the three and the best for anyone who cares about snow or steepness. The off-piste is world-class and the season is long. If you are an intermediate who wants to tick off villages, this is the wrong choice; if you want the Grande Motte in April, there is no substitute.

Paradiski (about 425 km). La Plagne and Les Arcs, from about 1,200 m to 3,226 m. The compromise, and the family answer. La Plagne's bowl is a huge, wide, gentle motorway network; Les Arcs is steeper, more wooded and more interesting. Paradiski is the cheapest of the three to ski and the least crowded of the three at the top.

How the links actually work

The Three Valleys is genuinely, densely linked -- you cross ridges on ordinary chairlifts and can be in another valley within two lifts. Orelle, added as a "fourth valley" in 1996, is the back door: the Orelle gondola climbs about 820 m to Cime Caron in around seven minutes and puts you at 3,200 m, at the far end of the network, with almost nobody behind you.

Paradiski hangs on a single object. The Vanoise Express, opened December 2003, is a double-decker cable car spanning roughly 1,800 m of empty air between Plan Peisey (1,612 m) on the Les Arcs side and Les Coches (1,548 m) on the La Plagne side, about 380 m above the valley floor, carrying over 200 people per cabin at 45 km/h. It takes under four minutes. It also closes in high wind, and when it does, Paradiski is simply two separate ski areas and your afternoon plan is a bus. Do not buy the full Paradiski pass on day one -- buy the local pass and upgrade on a good-weather day.

Espace Killy is a proper two-way link over the Tovière and Col de Fresse ridges, but it is exposed. When the weather closes in, the connection between Tignes and Val d'Isère is the first thing to go.

Why the high ones hold snow when the others do not

Val Thorens sits at 2,300 m, the highest ski town in Europe, and typically opens mid-November and runs to early May. Tignes' villages sit at 2,100 m with skiing to 3,456 m on the Grande Motte glacier, which is open in summer. That is not marketing; it is why both places were built where there was nothing.

The practical version: in a thin January, Val Thorens and Tignes are skiing top to bottom while La Plagne's lower villages and Les Arcs 1600 are running cannons on a ribbon, and Courchevel's run home to 1550 is patchy. In a good year the difference disappears and the low resorts are much nicer places to be. You are choosing how much of your money you want riding on the weather. Our altitude and snow reliability guide has the longer version of the argument.

The two that are not mega-areas, and matter anyway

Sainte-Foy-Tarentaise has a handful of lifts and one of the best reputations in the Alps among people who ski off-piste. The Pointe de la Foglietta is the resort's signature: from the top of the Aiguille lift it is roughly a 30-minute bootpack and 400 m of climbing to the summit, and the north face is a steep 400 m that holds cold snow for much of the season because the sun never reaches it. It sits about 15 minutes' drive from La Rosière, on the way up to Tignes.

La Rosière faces south across the valley -- sunny, exposed, wind-prone -- and links over the Petit Saint-Bernard pass to La Thuile in Italy as the Espace San Bernardo. It is a genuinely different day out and a good reason to keep a car.

Getting there without losing a day

Geneva is the default: about 196 km and 3-3.5 hours to Val Thorens, roughly 3 hours to Tignes by car, and around 3h45 by shared bus once you account for the stops at Moûtiers, Les Menuires and everywhere else. Those numbers assume the road is moving. On a peak February changeover Saturday, French regional media reported roughly 95,000 vehicles heading into the Tarentaise and Maurienne on that day alone, with the RN90 disrupted from about 09:00 to 18:00.

The train removes the problem entirely. Eurostar's Snow service ran from 20 December 2025 into early April 2026 with a change at Lille, stopping at Moûtiers (Three Valleys), Aime-la-Plagne and Bourg-Saint-Maurice (Paradiski and Espace Killy). A ski bus meets it. There is also a Paris night train to Aime-la-Plagne, Moûtiers and Bourg-Saint-Maurice, roughly nine hours, leaving Gare de Lyon late on Friday and arriving Bourg-Saint-Maurice around 08:00.

Where to stay

Méribel is the geographic centre of the Three Valleys and the least compromised base if you plan to use the whole network. Where in Méribel matters: Méribel-Mottaret at 1,750 m is higher, closest to the Val Thorens side, quieter at night and the better bet for snow on the run home. Méribel Centre (1,450 m) has the restaurants and the bars and a longer walk to the good lifts. Méribel Village and Les Allues are cheaper, prettier and bus-dependent. If snow reliability is the whole point of your trip, skip Méribel entirely and go to Val Thorens.

Picking one

Bigger is not the question. The question is what you refuse to give up.

Val Thorens for snow at any aesthetic cost, Val d'Isère for terrain and a village that predates the lifts, Les Arcs for the best value of the three networks, Courchevel if the budget is not the constraint.