GR 17 Lesse Parcours principal

Hiking Very hard Created at: March 17, 2026

Informations

Distance 104.74 km
Elevation gain 3715 m
Elevation loss 3322 m
Altitude minimum 91 m
Altitude maximum 499 m
Altitude Start 95 m
Altitude End 488 m
Estimated hiking time 34 h
Difficulty Very hard

104.74 km loop hiking starting from Anseremme. Elevation gain is 3715 m, with altitude ranging from 91 m to 499 m. Estimated time: 34 h. Starting town: Anseremme (Wallonie, België / Belgique / Belgien).

This hike includes 12 significant climbs. With a total elevation gain of 1362 m across 24.29 km, with an average slope of 5.6%.

  • Climb 1 (at km 21.55 km): +216 m over 2.42 km, average slope 8.9%
  • Climb 2 (at km 39.27 km): +133 m over 3.12 km, average slope 4.3%
  • Climb 3 (at km 41.99 km): +86 m over 1.68 km, average slope 5.1%
  • Climb 4 (at km 49.15 km): +179 m over 2.42 km, average slope 7.4%
  • Climb 5 (at km 57.56 km): +113 m over 1.97 km, average slope 5.7%
  • Climb 6 (at km 62.04 km): +176 m over 2.69 km, average slope 6.6%
  • Climb 7 (at km 67.63 km): +44 m over 815 m, average slope 5.4%
  • Climb 8 (at km 76.42 km): +71 m over 1.21 km, average slope 5.9%
  • Climb 9 (at km 81.32 km): +77 m over 2.21 km, average slope 3.5%
  • Climb 10 (at km 87.95 km): +165 m over 2.82 km, average slope 5.9%
  • Climb 11 (at km 93.86 km): +44 m over 804 m, average slope 5.5%
  • Climb 12 (at km 98.13 km): +58 m over 2.13 km, average slope 2.7%

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