Sign up

GR 11B

Hiking Very hard Created at: March 17, 2026

Informations

Distance 48.76 km
Elevation gain 980 m
Elevation loss 990 m
Altitude minimum 49 m
Altitude maximum 139 m
Altitude Start 93 m
Altitude End 70 m
Estimated hiking time 13 h
Difficulty Very hard

48.76 km loop hiking starting from Rosières. Elevation gain is 980 m, with altitude ranging from 49 m to 139 m. Estimated time: 13 h. Starting town: Rosières (Hauts-de-France, France).

This hike includes 1 significant climbs. With a total elevation gain of 432 m across 13.97 km, with an average slope of 3.1%.

  • Climb 1 (at km 49.53 km): +432 m over 13.97 km, average slope 3.1%

More trails in Hauts-de-France

Les Sources de la Ternoise
11.4 km +217 m
Hauts-de-France, France
Les hautes futaies de Retz
37.9 km +791 m
Hauts-de-France, France
Parcours Sentier du Littoral et Musée Radiomaritime
4.1 km +176 m
Hauts-de-France, France
Chemin de la Vallée des Prêtres
4.7 km +146 m
Hauts-de-France, France
A l’Orée du Bois
4.9 km +33 m
Hauts-de-France, France
Sentier du Buffle
11.3 km +195 m
Hauts-de-France, France
See all trails in Hauts-de-France

Ready for your next adventure?

Try Iso Maps free for 7 days. Available on iOS and Android.

Download on iOS Download on Android APK (Google-free)