La Grotte à Pierre du Bourg
- Type: mtb
- Network: lcn
- Reference: N°30
- ascent: 199
- colour: red
- distance: 12
- from: Chapelle des Bois
- osmc:symbol: red:red:30:white
- roundtrip: yes
- to: Chapelle des Bois
Mountain bike route from the OpenStreetMap community, with statistics, an elevation profile and gpx and kml downloads.