Col du Grand Bois
Average grade: 3.8 %
Length: 17 km
Height start: 517 m
Height top: 1161 m
Ascent: 644 m
Col du Grand Bois rankings
Difficulty ranking world: 4701 (all)
Ranking France: 1145 (all)
Ranking Massif Central: 44 (all)
Difficulty score: 50.6 what?
Col du Grand Bois ratings
The Col du Grand Bois is situated in Rhone-Alpes
and belongs to the
Starting from Saint Etienne,
the Col du Grand Bois ascent is 17 km long. Over this distance, you climb 644 heightmeters.
The average percentage thus is 3.8 %.
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