
77 km loop starting from Belley to reach the highest point of Bugey: the Grand Colombier by the magnificent Culoz airpins.
route
- Drop : 1425 m
- Distance : 77 km
- Daily duration : 390 mn
Public
- Level black - very hard
Spoken languages
- French
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77 km loop starting from Belley to reach the highest point of Bugey: the Grand Colombier by the magnificent Culoz airpins.