From the Autoroute it seems impossible that a road could climb to the summit of…
Browsing: mont du chat
Lac du Bourget and Surrounding Cycling Climbs
Le Cycle Magazine once called Mont du Chat perhaps the toughest (paved) climb in France. I think there are harder, but it’s fairly brutal.
Le cycle magazine once called this possibly the most difficult climb in France. An exaggeration, but tough work!