68.37 km loop hiking starting from Monthermé. Elevation gain is 2579 m, with altitude ranging from 137 m to 403 m. Estimated time: 24 h 30 min. Starting town: Monthermé (Wallonie, België / Belgique / Belgien).
This hike includes 11 significant climbs. With a total elevation gain of 1277 m across 22.85 km, with an average slope of 5.6%.
- Climb 1 (at km 1.90 km): +121 m over 1.12 km, average slope 10.8%
- Climb 2 (at km 7.22 km): +300 m over 2.54 km, average slope 11.8%
- Climb 3 (at km 14.83 km): +88 m over 2.41 km, average slope 3.7%
- Climb 4 (at km 26.64 km): +55 m over 2.20 km, average slope 2.5%
- Climb 5 (at km 66.50 km): +123 m over 1.74 km, average slope 7.1%
- Climb 6 (at km 81.05 km): +155 m over 975 m, average slope 15.9%
- Climb 7 (at km 95.18 km): +131 m over 1.41 km, average slope 9.3%
- Climb 8 (at km 111.64 km): +159 m over 6.33 km, average slope 2.5%
- Climb 9 (at km 143.69 km): +78 m over 868 m, average slope 9.0%
- Climb 10 (at km 149.22 km): +34 m over 1.25 km, average slope 2.7%
- Climb 11 (at km 181.28 km): +33 m over 2.01 km, average slope 1.6%
