Hi Charles
Thanks for your message!
I went for a walk here yesterday and improved some paths and deleted others that no longer exist.
Note that these were desire paths (i.e. not officially created trails). Therefore, they are often not lasting or disappear if they are not walked by many people and the undergrowth grows faster (especially blackberries), when fallen trees make it impossible to walk through or when they are "destroyed" by forestry work with heavy machinery.
By the way, i wrote in the "source" tag that i improved and deleted these paths after a survey and using the aerial images from Swisstopo.
Kind regards
Raphael