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GR® 9

GR® 9

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)


  • Distance : 100.1 km


  • Level black - very hard


Free of charge

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