The Route des Grandes Alpes is a spectacular driving route through the French Alps, stretching from Lake Geneva to the Mediterranean Sea. Along the way, you'll pass through some of the most breathtaking mountain scenery in Europe, including the Mont Blanc Massif, the Vanoise National Park,
From Wikipedia
The Route des Grandes Alpes (RdGA) is a tourist itinerary through the French Alps between Lake Geneva and the French Riviera climbing all the high Alpine passes within France.