GR 57 Sentier de l'Ourthe Parcours principal

GR 57 Sentier de l'Ourthe Parcours principal is a 135.2 km National Hiking hiking trail covering an interesting stretch of countryside.

At 135.2 km, this is a demanding long-distance hike that may be split across multiple days. Experienced hikers typically take around 30 hours and 3 minutes to complete it end-to-end.

As a linear trail, this route has distinct start and end points. Return transport is worth arranging in advance unless you plan to walk back the same way. Follow the GR 57 P1 waymarkers throughout to stay on the official trail line.

As a National Walking Network (NWN) trail, this route represents a nationally recognised hiking corridor. Infrastructure and waymarking are maintained at a high standard.