Boulevard nature 3b
- Type: mtb
- Network: lcn
- Reference: BN3b
- from: Bois de Saint-Christophe
- image: https://www.lemansmetropole.fr/fileadmin/contributeurs/nature/images/panneau_boulevard.jpg
- to: Porte de l'Océane
Mountain bike route from the OpenStreetMap community, with statistics, an elevation profile and gpx and kml downloads.