GRP 123 Tour de la Wallonie Picarde (parcours principal)

GRP 123 Tour de la Wallonie Picarde (parcours principal) is a 17.6 km Regional Hiking hiking trail covering an interesting stretch of countryside.

Covering 17.6 km, this is a substantial hike requiring a reasonable base fitness. Most walkers complete it in about 3 hours and 55 minutes.

This linear trail moves from one end to the other without looping back. A return journey by transport — or retracing the path — is needed to get back to the start. Follow the GRP 123 waymarkers throughout to stay on the official trail line.

This trail forms part of the Regional Walking Network (RWN), linking local communities and natural features across the region. Waymarking is managed at the regional level.