Ski-Finder

Popular resorts:

46,7 Morzine, Avoriaz, Les Gets
45,6 LDA, Alpe d'huez,
45,7 Sauze D Oulx, Serre Chevalier
46,8 Saas Fee, Zermatt
47,10 Ischgl, St Anton, Klosters, Davos
47,11 Solden, Hochgurgl
47,12 Mayrhofen, Kitzbuhel (?)
47,13 Zell am See, Bad Gastein, Saalbach

Note: I've limited it to one grab per set of co-ordinates per hour - sorry!