In reply to Lankyman:
The modern spelling seems to be mainly Chärpf (or Kärpf), maybe explains the old search results. Here it is on UKC:
Chärpf
One would place it in the Glarner Alpen, associated with the Kanton of Glarus, and on the east side of the Klausenpass.
Some pictures at the end of this report on hikr:
https://www.hikr.org/tour/post145613.html
The area is perhaps best known for the Martinsloch (and recent Ju-52 crash)
https://www.hikr.org/dir/Martinsloch_8100/
https://www.schweizer-illustrierte.ch/stars/schweiz/ju-52-absturz-senkrecht...
The highest peak is Tödi, a respectable 3614m:
https://en.wikipedia.org/wiki/T%C3%B6di
And the area is part of the Unesco World Heritage Tectonic Arena Sardona, containing the geologically significant Glarus Thrust:
https://unesco-sardona.ch/en/understand