La boucle de l'étang du Donnenbach
- Type: mtb
- Network: lcn
- Reference: N°04
- ascent: 300
- colour: red
- distance: 13,5
- from: Maison forestière de La Petite-Pierre
- osmc:symbol: red:red:4:white
- roundtrip: yes
- to: Maison forestière de La Petite-Pierre
Mountain bike route from the OpenStreetMap community, with statistics, an elevation profile and gpx and kml downloads.