70 cycling climbs
Highest difficulty score in this region
1.2 km at 3.9%
730 m at 4.9%
750 m at 4.7%
1.2 km at 3.6%
The steepest gradients in this region
430 m at 5.8%
580 m at 5.2%
420 m at 5.2%
Epic distances to challenge yourself
1.2 km at 3.4%
1.2 km at 3.3%
4 cities ·36K total population
La Chapelle-sur-Erdre
Treillières
Sucé-sur-Erdre
Vigneux-de-Bretagne