By train
By train
Europe in general and France specifically has a wonderful network of high speed trains that can bring you into the region in a matter of hours from such far flung places as Belgium and Germany.
By plane
By plane
The easiest way for people traveling from abroad to arrive is through one of the major international airports in the region which include: Cointrin International Airport in Geneva, Switzerland IATA:GVA (http://www.gva.ch/), Bron International Airport in Lyon IATA: LYN (http://www.lyonairport.com/), and Grenoble Isère International Airport in GrenobleIATA:GNB (http://www.grenoble-airpo...).
A host of smaller airports in towns like: Valence, and Chambéry.