Col du Rosier
Col du Rosier is one of the longer climbs in the Liège Bastogne Liège landscape. It is steadier than the famous walls, but that length makes it a real Ardennes test.
- Length
- 4.4 to 4.5 km
- Elevation Gain
- Not yet available
- Average Gradient
- 5.7 to 5.9%
- Difficulty
- Challenging
Community recommendation
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Col du Rosier is described in the briefing as the longest climb of the route. That matters in a region where many climbs are short, steep and explosive. Rosier is different. It gives you more time to settle, but also more time to accumulate fatigue.
At around 4.4 to 4.5 kilometres with an average gradient just under six percent, it is not savage on paper. The challenge comes from context. In the Ardennes, climbs rarely arrive alone. Rosier often becomes important because it keeps pressure on the legs between sharper efforts.
How to Ride It
- Ride it at a sustainable tempo. This is not a climb to attack from the bottom.
- Use the steadier gradient to recover mentally while still climbing.
- Keep eating and drinking if it sits inside a longer classics style route.
Where to Stay
Spa or Stavelot are good bases for riding Col du Rosier and other Ardennes climbs. They put you close to the terrain without needing to start every ride from a larger city.
Practical Tips
- Liège is the main regional reference point for travel planning.
- Do not judge the climb only by its gradient. Its length makes it stand out in this region.
- Combine it with Stockeu, Wanne or La Redoute for a more complete Ardennes route.
Routes featuring this climb
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