GR 121 De Wavre à Bon-Secours

Hiking Very hard Created at: March 17, 2026

Informations

Distance 139.28 km
Elevation gain 1755 m
Elevation loss 1748 m
Altitude minimum 19 m
Altitude maximum 160 m
Altitude Start 39 m
Altitude End 46 m
Estimated hiking time 36 h 30 min
Difficulty Very hard

139.28 km loop hiking starting from Bon-Secours. Elevation gain is 1755 m, with altitude ranging from 19 m to 160 m. Estimated time: 36 h 30 min. Starting town: Bon-Secours (Wallonie, België / Belgique / Belgien).

This hike includes 1 significant climbs. With a total elevation gain of 1008 m across 31.70 km, with an average slope of 3.2%.

  • Climb 1 (at km 139.02 km): +1008 m over 31.70 km, average slope 3.2%

More trails in Wallonie

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)