BelgiumHiking trail · Belgium
GR 15 High Semois Trail
91.5km
Distance
8
Stages
Moderate
Difficulty
May · Aug
Best months
All 8 stages
Find a Route
- Botassart → Botassart7.7 km↑ 541 m3 h 6 minModerate
- Bouillon → Bouillon9 routes30.2 km↑ 2,020 m11 h 59 minHard
- Conques → Conques5.2 km↑ 395 m2 h 10 minModerate
- Frahan → Frahan4 routes14.2 km↑ 2,055 m7 h 59 minHard
- Herbeumont → Herbeumont6.5 km↑ 371 m2 h 26 minModerate
- Rochehaut → Rochehaut18.0 km↑ 2,194 m9 h 15 minModerate
- loop_start → loop_start6 routes15.3 km↑ 1,005 m6 hModerate
- Vresse → Vresse3 routes4.1 km↑ 180 m1 h 25 minModerate
When to go
- January: 5%
- February: 6%
- March: 8%
- April: 11%
- May: 12%
- June: 8%
- July: 11%
- August: 12%
- September: 8%
- October: 8%
- November: 7%
- December: 5%
12% of hikers choose May. Quietest: January, December.
Before you go
1Monastery
About this trail
A detailed description for this trail hasn't been written yet. The map, stages and route options are below.
Distances, elevation and times are approximate; follow waymarks and local conditions on the trail.
Map
GR 15 High Semois Trail: frequently asked questions
How long is GR 15 High Semois Trail?
About 91.5 km in total. The route is split into 8 stages; each has its own page with map, elevation profile and water points.
When is the best time to hike GR 15 High Semois Trail?
Hikers choose May, July, and August most often.
How difficult is GR 15 High Semois Trail?
Overall difficulty: Moderate. It varies between stages — each stage page shows its own ascent and difficulty.
Can I follow GR 15 High Semois Trail on my phone?
Yes. In the Snail Trail app every stage has step-by-step directions, and you get a voice alert when you leave the route.
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