In Swiss, one specifically indicates by valley of the Rhone the area located on both sides of the the Rhone, between Brig and Martigny. It is characterized by a particular, hotter climate and dryness that in the areas which are joint for him. One meets regularly there situations of Fœhn.

In France, one indicates by valley of the Rhone the area located on both sides of the the Rhone, downstream from Lyon, and more specifically of Vienna.