No special access issues
This sector currently includes fifteen tracks, high difficulty in general and sometimes isolated , located in plots 48 and 49 , to the north east of the massif of Coquibus on the North Slope in the platière Mare aux Joncs . These are accessible by raising the Chemin du Petit Mont Rouget starting from the last parking lot before the highway along the road Courances Arbonne at 3km600 the D372 from Paris.