Tips
Fred
July 30, 2025
Cycling
The toughest climb in Loire-Atlantique, in my opinion. Quite long (> 500 m) with an average gradient of 12% and sections of over 18% according to my Garmin. The winding route reinforces the "mountain" feel.
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Gustave
August 9, 2025
Cycling
The slope of Mont Piron is very steep (14% maximum gradient)
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Details
Informations
Elevation 10 m
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