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Mountain passes

Ascent of the Col du Grand Ballon from Willer-sur-Thur

Mountain passes

Ascent of the Col du Grand Ballon from Willer-sur-Thur

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Highlight (Segment) • Climb

Ascent of the Col du Grand Ballon from Willer-sur-Thur

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Recommended by 24 road cyclists out of 25

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Parc naturel régional des Ballons des Vosges

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Location: Weiler, Thann-Gebweiler, Alsace, France

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Tips

Nicolas Vergnaud

March 31, 2025

Like the other roads in the Thur Valley that provide access to the Grand Ballon, this climb is one of the toughest in the Vosges Mountains. The climb is 15.8 kilometers long at an average gradient of 6.1%, with a beautiful section through the Col Amic.

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Details

Informations

Distance 15.9 km

Uphill 1,080 m

Downhill 120 m

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Wednesday 26 November

2°C

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100 %

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Location: Weiler, Thann-Gebweiler, Alsace, France

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