Graubünden Bike (Trun–Trun)
- Type: mtb
- Network: rcn
- Operator: Mountainbikeland Schweiz
- Reference: 90
- ascent: 15400
- descent: 15400
- distance: 375
- from: Trun
- roundtrip: yes
- to: Trun
Mountain bike route from the OpenStreetMap community, with statistics, an elevation profile and gpx and kml downloads.