De Arras à Boulogne-sur-Mer

A 158.6 km National Hiking trail, De Arras à Boulogne-sur-Mer takes walkers through a varied section of terrain.

At 158.6 km, this is a demanding long-distance hike that may be split across multiple days. Experienced hikers typically take around 35 hours and 14 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. Look for the GR 121 trail markings to stay on the official route.

The National Walking Network (NWN) designation reflects the importance of this trail at a national level. Expect consistent waymarking and well-maintained path surfaces.