Ride Downhill
"7 river valleys, each with a multitude of mountain bike trails: Guisane, Durance, Clarée, Cerveyrette, Orceyrette/Ayes, Gyronde, and Freissinières.
Direct access to several mythical road cols, each with multiple trails leading down from the top: Galibier, Izoard, Lautaret, Granon, Montgenèvre.
Direct access to 4 bike parks: Serre Chevalier, Montgenèvre, Valloire, and Bardonecchia." Alpinesingletrack.com