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Steepest Gradient (%)
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Photo from commons.wikimedia.org
A pity - this climb has never appeared in the Tour de France. It is a very nice climb that we will return to document in earnest in September, 2018.
Steepest kilometer begins at km 14.2 (10.2%)
From the west (Ferrieres)
Steepest kilometer begins at km 1 (9.6%)