The GR® 9 begins in St-Amour 39. In the department of Ain, it goes all over the oriental crest, by Colomby de Gex, goes through the gap Nantua-Bellegarde, visits plateau de Retord and goes through Grand-Colombier, before diving in the Rhône valley.
Open period
Free access (weather depending)
route
- Distance : 100.1 km
Public
- Level black - very hard
Prices
Free of charge
01410 Mijoux Show / Hide location