What is "paterberg"

The Paterberg is a hill in the municipality of Kluisbergen, in the Belgian province of East Flanders. With its top at 80 m, its is one of many hill formations in the Flemish Ardennes, close to Wallonia. The slopes of the hill were unpaved until 1986, when a local farmer paved the road in cobbles because he wanted the Tour of Flanders cycling race to pass by his house. The cobbled climb became one of the iconic sites of Belgian cycling, and in 1993 the road of the Paterberg was classified as a protected monument.