Hardly anyone knew of this climb until the 2009 Tour de France brought it to the attention of cyclists around the world. Its “1st category" rating says it all.
Gradient: 7%
Further information on localisation
Further information on localisation
From Cluses: D4 and D119. A40 freeway, exit 18 Scionzier, D304; D1205; D4 roundabout and D119 departure. Nearby train station: Cluses.