The bicycle route system of the Alp valley. 

The bicycle route of the Alp valley goes from Annecy to Valence. The total length of this bicycle route is about 200 km including 100 km in Isère. The bicycle route is the backbone of the department cycling map winding its way along the river Isère crossing a large population centre. To date, 50% of the route is drawn between Saint Ismier and Saint Gervais sur Isère.

More information:

The green lane on the dam upstream Grenoble
The green lane on the dam downstream Grenoble

The ViaRhôna bicycle route :

 The ViaRhôna bicycle route is located along or nearby the river Rhone between Geneva and Sète. The total length of this bicycle route is about 610 km including 80 km in the North Isere and 10 km west of Roussillon. 

More information: The website From Lake Geneva to the sea