A real sporting challenge, this route is aimed at all cycling enthusiasts looking for a personal challenge. A tour of France's largest man-made lake has to be earned!
What a treat to travel along the roads that criss-cross the mountains around Lake Serre-Ponçon and its turquoise waters! A succession of ascents and descents of varying lengths will require all the energy you can muster to reach the end of this magnificent route, which has been designed for a sporting challenge. Enough to become a real classic!
Hard
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