Pirmin Bertle climbing at Charmey, Switzerland
At the Swiss crag Charmey Pirmin Bertle has freed Chromosome X and Chromosome Y, two routes both graded 9a.
- Pirmin Bertle frees two 9a's at Charmey
- Pirmin Bertle frees two 9a's at Charmey
"/>At the Swiss crag Charmey Pirmin Bertle has freed Chromosome X and Chromosome Y, two routes both graded 9a.
- Pirmin Bertle frees two 9a's at Charmey