The 3 Valleys ski area is simply the biggest ski area in the world.  Comprising of three main valleys each of which has an internationally-renowned ski resort and about 12 distinct resorts total.  There are several links between each valley and it is very easy to ski the whole area as 50% of the runs are easy (Green or Blue).  

The  Three Valleys now include a fourth Valley and the Saint-Bon valley could be described as two valleys, so the ski area encompasses about four or five 'valleys'.

Saint Bon  (The Courchevel Valley)

• Courchevel 1850
• La Tania
• Courchevel 1650
• Courchevel 1550
• Le Praz

Allues    (The Meribel Valley)

• Meribel
• Meribel-Mottaret
• Meribel Villages

Belleville  (The Val Thorens Valley)

• Val Thorens  (VT)
• Les Menuires
• Saint Martin de Belleville

Maurienne  (The Fourth Valley)  

• Orelle