Did you encounter an obstacle along the way? Report it: your indication helps those who come after you.
If you are on site, the most precise way is to use your device's location. Alternatively, indicate the point on the map, or choose the place or stage it refers to.
The more precise you are, the easier it is to verify and intervene. If you can, indicate height, width, or how long the stretch is.
A photo conveys in an instant what words require a paragraph, and it is what those who need to verify rely on.
No registration is required. The email address is only used to ask you for clarification, if needed, and to notify you when the report is accepted. It does not appear on the site.
The report is read by those who manage the path before appearing on the site.