Les Crêtes - Robertsart

10.13 km loop hiking starting from Olloy-sur-Viroin. Elevation gain is 313 m, with altitude ranging from 131 m to 309 m. Estimated time: 3 h 40 min. Starting town: Olloy-sur-Viroin (Wallonie, België / Belgique / Belgien).

This hike includes 2 significant climbs. With a total elevation gain of 260 m across 3.94 km, with an average slope of 6.6%.

• Climb 1 (at km 3.79 km): +177 m over 2.64 km, average slope 6.7%
• Climb 2 (at km 8.90 km): +83 m over 1.29 km, average slope 6.4%