J.A. Martin
Trois Pignons · Seine-et-Marne · France
Boulder
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Grades: 1c → 8a+Routes: 475
1
1
2
51
3
96
4
79
5
65
6
93
7
85
8
5
Easy 2-3
Moderate 4-5
Intermediate 6
Hard 7
Very hard 8+
Linked topos
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Altitude
93 m
Rock type
Sandstone
Wall profile
Not specified
Orientation
N
NE
E
SE
S
SW
W
NW
Best seasons
Not specified
Rain exposure
Not specified
Approach time
~2 min
Circuit (6)
CircuitBouldersAvg diff.Max diff.
Circuit Yellow
382c3bCircuit Orange
613a4bCircuit Orange
463b4bCircuit Sky blue
224b5aCircuit Blue
344c5cCircuit Red
505c6b+Route list (475)
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