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At the Grimselpass roughly between Guttannen and the hotel Handegg.
Climate: Depending on the time of day sunny and shady sectors at an altitude of 1000 to 1400 m. From October to May the road is closed (winter closure).
Topo: swiss Bloc °1 (GEBRO Verlag), more info and order
About 342 boulder problems 3 - 8a+ in about 6 sectors
3 - 5+ : 159
6a - 6c+ : 115
7a - 7c+ : 60
8a - 8a+ : 7
The sector "Schwarzbrunnenbrücke".
A new rockslides covers some of the boulders on this photo. The boulders further to the right are still okay.
A bridge connects the both parts of the sector "Elfe".
A new rockslide covers most of the boulders of this sector now!
The upper part of the sector "Kristallweg"
A perfect boulder problem in the sector "Kristallweg" (~7a+)