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Meoise is a route that Pirmin Bertle created from the combination of the hardest sections of Chromosome X and Chromosome Y. Repeated by Adam Ondra on 27-Jan-2018. He also proposes to downgrade it to 9a+.

Route History:

  • First Free Ascent: Pirmin Bertle, 2015


Located in La Tribune approx:
Lat/Long: 46.612233,7.193279

Route Grade Citations

9b Community registered grade

Route quality

Route quality

Lead Styles

Lead styles pie chart

Comments keywords

Learn about creating circuits.


Check out what is happening on Meiose (note there is an unresolved system issue where ascents logged before 2010 are not displayed in the stream below). If you just want to see beta then click on view ascents with beta.