Situation: Close to Martigny.
Climate: On the north slope of 
the  Rhone valley, in general possible in winter.
Rock:  Slate/gneiss.   
Topo:      blocheart[1] (tmms-Verlag) 
(out of print)
Boulder problems 
Some problems up to 8b+
  3 -   5+ :  ?
6a - 6c+ :  ?
7a - 7b+ :  ?
 7c -     8c:  4