The largest lift or piste linked area in Austria is SkiWelt having 280 km of piste, 91 lifts and with a transport capacity of 138.000 persons/hour.
It is the largest indoor ski resort but it is not nearly as big as most outdoor ski resorts.
The largest ski resort in France and in the world is Les 3 Vallées with 600 km of piste. For more information look at the question "What is the world's largest ski resort?"
Les 3 Vallées. For more information see: "What is the world's largest ski resort?"
Paradiski
France. For more information see: "What is the world's largest ski resort?"
I think the highest skiing is at Soelden.
Snowmass, Colorado
Whistler Blackcomb
Paradiski.
600 km of interconnected piste in Les 3 Vallées. For more information look at the question "What is the world's largest ski resort?"
This is hard to answer since the question is a bit unclear but I'll go for the largest ski resort in the west of the big skiing countries. France: west would be the Pyrenées where the largest resort is Domaine Tourmalet. Austria: in the west bordering to Switzerland is the Silvretta Arena. Italy: in the west bordering to France is Via Lattea. Switzerland: in the west bordering to France is Les Portes du Soleil
Vail