Ardois'alle

Ardois'alle is a slate mine and museum in Alle-sur-Semois (Vresse-sur-Semois), Belgium. Visitors descend into former galleries abandoned in 1948 and brought back to life from 2012 to discover the history of slate extraction alongside a modern working mine. A guided tour is offered in French, Dutch or English, and a tavern serves local products and specialty beers.

Address

12, rue de Reposseau
Alle-sur-Semois
Namur
5550
Belgium

View map

Opening Hours

Weekends & school holidays: 10:00–16:30. Visit times: 10:00, 11:00, 13:30, 14:30, 15:30, 16:30

April 1 – October 31 (closed November–March for bat hibernation)

Admission

Students: 8 EUR

Children (under 12): 7 EUR

Groups (10+): 7.50 EUR

Free for children under 6

Adults: 9 EUR