Koppenberg

Koppenberg is a 77 m (253 ft) high hill in Oudenaarde, the Flemish Ardennes, Belgium. "Koppen" is an abbreviation for cobblestones which in Dutch slang language are called kinderkoppen, or "children's heads". This climb is part of the route of the Tour of Flanders professional cycling race and feared by many because of its steepness and because of its cobblestones. This makes the Koppenberg diffic... (Wikipedia)