<4> Plettenberg - Attendorn - Olpe

38.56 km loop hiking starting from Frenkhausen. Elevation gain is 1703 m, with altitude ranging from 230 m to 546 m. Estimated time: 13 h 10 min. Starting town: Frenkhausen (Nordrhein-Westfalen, Allemagne).

This hike includes 6 significant climbs. With a total elevation gain of 656 m across 10.54 km, with an average slope of 6.2%.

• Climb 1 (at km 1.88 km): +74 m over 1.57 km, average slope 4.7%
• Climb 2 (at km 6.77 km): +97 m over 1.39 km, average slope 7.0%
• Climb 3 (at km 12.89 km): +125 m over 1.67 km, average slope 7.5%
• Climb 4 (at km 40.56 km): +46 m over 793 m, average slope 5.8%
• Climb 5 (at km 49.46 km): +283 m over 4.64 km, average slope 6.1%
• Climb 6 (at km 51.97 km): +31 m over 478 m, average slope 6.5%