Snowhall

Location: Amnéville, France
Website: snowhall.fr

This slope is a destination for many international teams from alpine skiing countries like Germany, Austria, Italy, and Switzerland. The facility's combination of length, steepness, and width, where it either leads or ranks high in each of those categories, make it ideal for serious competitive skiers. And yeah, it's not too far from the Alps, which are actual mountains, but if it's good enough for real skiers, it should be good enough for you.