The PASS slag heap stopped being used more than 50 years ago.
Discover its spectacular ecosystem which stands 70 metres tall!

Why not visit the Parc d’Aventures Scientifiques et de Société (scientific and social adventure park)?
The PASS slag heap is the place to be!
  • Unlock every secret from its observatory point: understand what a slag heap is, its ecosystem, its history, its geological characteristics, and more. In short, all you need to know!
  • Explore the heap over a nature trail, reach the summit and discover the combustion zones and red and black soil that are sure to amaze you!
  • The PASS guides cater for vast a range of activities, including a workshop to create your own fossil!
Put on some good shoes, and presto, off you go! Get climbing a 70-metre-tall heap hiding some natural treasures!
Discover the PASS slag heap at 3 Rue de Mons à 7080 Frameries.

+32 (0)65 61 21 60

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