Official classification of an attraction in Wallonia - 2 suns
  • Attractions
  • Woodland, nature reserve or natural area
  • Grottoes and caves

Discover the exceptional setting of one of the last Belgian slate quarries.

Work in this slate quarry stopped in 1947. During this 45 minutes visit, you will tell learn more about this industry, wander through its mysterious galleries, home only to bats these days, and see the beautiful aquifer there.

The final themed room presents the exploitation techniques used in the quarry via a documentary.

Make sure you wear warm clothes for your visit. The temperature in the galleries remains at 10 degrees throughout the whole year, humidity being over 80%.

Make the most of your stay in the region to visit other local sites. You can, for example, combine this visit with the Récréalle train, try kayaking, go mountain biking or hiking... Nature is all around.

Visit Ardois'Alle and discover the secret beauty of the Semois valley.






COVID-19 : We do our best to inform you with the latest updates... Best, though, to check with the operator or lodging you have made a booking with before getting on the road. Please note that the Covid Safe Ticket (or health passport) is mandatory in Wallonia, starting November 1st, 2021.  Infos
This information is given for indication purposes only, best to check with the site you hope to visit before heading there - by phone, email, social media or simply by visiting their website.


Guide available/groups - FR - NL - Guide available/individuals - FR - NL

Discount vouchers

Discount vouchers