The Saint-Antoine slag heap, located between Boussu and Dour, is a unique place that invites exploration. This vast 33-hectare natural area, with its summit reaching 110 meters, offers easy and accessible trails, perfect for hiking, jogging, cycling, or simply enjoying a walk with family. Its terraces shelter a preserved natural environment with ponds and reed beds where many species thrive. It is a true haven of peace for nature lovers and photography enthusiasts. Enjoy the panoramic views and the soothing atmosphere, but please respect this treasure by avoiding motorized activities, which are prohibited to preserve the site.