Cobble section 12 of the cycling classic Paris-Roubaix along chemin des Prières and chemin des Abattoirs with a length of 1700m. First used in 1980. The last 600 metres were used in the opposite direction for the first time in 1977. The section is L-shaped, the first 1,100m being flat and the last 600 slightly uphill. Cobbles in a good state, fairly muddy at first, irregular in the last 600m.