Thonon-les-Bains - CRT G4 E12

CRT G4 E12

Thonon-les-Bains

Distance

76.44 Km

Ascent +

1,536 m

Descent -

1,536 m

Est. duration

Road Cycling

Loop

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Passes along the route

19 Km

Col de Cou

1,117 m

36 Km

Col de l'Avernaz

1,234 m

50 Km

Col de Jambaz

1,027 m

Passes extracted from the Club des Cent Cols catalogue

Summary

Discover this 76.4 km bike route near Thonon-les-Bains. This route includes only roads. It has a cumulative ascent of more than 1530m. Allow about 3 hours and 58 minutes to complete this route.

Last update of the route sheet: Nov 26, 2025.