
Bouillon 3-4
Semois Alle_bouillon-alle
Trail Running Difficult
- Distance
- 48 km
- Ascent
- 2.4 km
- Descent
- 2.4 km
- Duration
- 1 day +
- Low Point
- 184 m
- High Point
- 379 m
- Gradient
- 13˚

This is a popular trail running route which is generally considered to be difficult. It's not remote, it features high exposure and is typically done between June and September. From a low point of 184 m to the maximum altitude of 379 m, the route covers 48 km, 2356 vertical metres of ascent and 2356 vertical metres of descent.
Description
Echelles Rochehaut, cretes fraha, bouillon-Semois
Difficulty
Difficult