14 cycling climbs
Highest difficulty score in this region
480 m at 6.8%
1.1 km at 4.5%
640 m at 5.1%
600 m at 4.8%
The steepest gradients in this region
480 m at 5.0%
Epic distances to challenge yourself
810 m at 3.3%
670 m at 3.5%
2 cities ·20K total population
Aire-sur-la-Lys
Isbergues