General conditions

General conditions


Booking in advance is required for groups of 15 or more. Departure times will be agreed with the group leader and all members of the group should arrive on time. Group prices are applicable from 15 paying visitors upward. Payment is to be made by the group leader, cash, Bancontact or by Visa Credit Card, unless the invoice contains a special agreement.


Guides / teachers are admitted free of charge (with a maximum of one free admission per 20 people paying).
Free admission + lunch for coach drivers.


Except special event, our multipurpose room (330 seats) is available to schools for picnics with the purchase of a consumption per student (soft 20 cc or regional juice) at the price of € 1,00 or possibly :
- 1 drink in can (33 cl): € 1,80
- 1 serving of fries: 2,50 € (with sauce)
- 1 serving of fries + 1 fricadelle: 4,00 € (with sauce)
Order to specify when booking the activity.

Menus can be obtained when booking 1 week prior to the visit for a minimum of 15 persons. To ensure optimal service, you should book the same menu for the whole group. The number of meals booked can be changed up to 48 hours before the date of the visit. Charges include VAT and service (free for the coach driver and group leader).


There is wheelchair access to the mine subject to booking in advance, with an adapted route. Toilet available in the cafeteria. Guide dogs are permitted, except in the mine.