Sperone Walker - Via Cassin, Grandes Jorasses
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Topo Sperone Walker - Via Cassin, Grandes Jorasses, Mont Blanc, Graian Alps
Related routes
Cassin Route - Walker Spur 
6°/A0
6°/A0'The rock face of all rock faces', 'the route of all routes': the Cassin route up the Walker Spur on the North Face of the Grandes Jorasses represents a dream...