On a sunny autumn day I made a beautiful hike over the Ducanfurgga. By postal bus I drove from Davos to the Sertig Valley. I started walking in Sertig Sand at 1,859 meters.

You can see the trail on  https://map.wanderland.ch/?lang=de&bgLayer=pk&layers=Wanderwegnetz&resolution=10&X=782600&Y=172270

See also in German  http://www.hikr.org/tour/post4111.html