The GR96 traverses two Alpine massifs west from Lyon: Les Bauges and Le Chartreuse.
Description of the sections.
Actually this is the round tour in the Bauges massif, partly using the GR96. The name of the trail her is GRP96. This website describes the sections that make up the tour.
The Tour des Bauges partly uses the GR96. This is a good trip diary with maps and lots of pictures.