Hallo, I would like to point out a missing foot route through which I have personally walked.
Chiavenna – Piazza Bertacchi (a square)
https://maps.openrouteservice.org/directions?n1=46.321056&n2=9.403707&n3=17&a=46.320735,9.403473,46.321046,9.403184&b=2&c=0&g1=-1&g2=0&k1=en-US&k2=km
Best regards.
Lumaca