Bionnassay
Mont-Blanc · Haute-Savoie · France
Sport
Grades: 6a+ → 8a+Routes: 13
6
8
7
3
8
2
Easy 2-3
Moderate 4-5
Intermediate 6
Hard 7
Very hard 8+
Linked topos
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Altitude
1332 m
Rock type
Schist
Orientation
N
NE
E
SE
S
SW
W
NW
Best seasons
Not specified
Rain exposure
Not specified
Approach time
Not specified