As if those amazingly steep and nasty hills aren't tough enough, in Flanders they're filled with cobbles. It just doesn't make sense for non-Flandriens. To many, cycling on this terrain would be considered inhumane. Yet these are fundamental to the Flemish interpretation of the sport. Don't go home without experiencing the four K's of Flandrien heritage: the fabled Koppenberg, the everlasting Kwaremont, mythical Kapelmuur and ferocious Kemmelberg. After that you'll be KO'd, consider that the fifth 'K'.

Distance 0.6km Altimeters 51m
Distance 2.1km Altimeters 92m
Distance 0.6km Altimeters 62m
Distance 0.9km Altimeters 63m