82 km circuit through Bugey and Valromey.
To discover along the circuit: Belley, capital of Bugey, the lake of Virieu-le-Grand, between the col de la Lèbe and col du Ballon, the small lakes of Genevray, the Manoir de Rossillon (14th century).
route
- Drop : 2380 m
- Distance : 120 km
Public
- Level black - very hard
Spoken languages
- French
