Natural site in the heart of the city of Liège, the hills of the citadel are not less than 90 hectares of unspoiled nature, almost half of which are classified natural heritage of the Walloon Region. Nature and history, since this exceptional site also has 60 classified monuments!

To discover this natural setting, pedestrian routes have been set up by the city of Liège. They pass in the 8 sites of the slopes: Favechamps, the Péri, the terraces of minimal, the Mountain of Bueren, the park of the citadel, the Carmelite wood, the wood Fabry and the slope of Vivegnis.