© Musée de l'Ardoise

Slate Museum - Musée de l'Ardoise

Where? Entrée principale, L-8823 Haut-Martelange

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Discover the fascinating world underground at the Haut-Martelange Slate Museum! Experience the history and techniques of slate extraction and immerse yourself in the new, fascinating "Johanna" visitor gallery. Experience the everyday life of slate workers at first hand!

Experience an exciting journey back in time to the slate industry of the 20th century. In the slate museum, a museum facility awaits you that gives a complete picture of this more than 200-year-old activity. Discover the path of the slate stone, from its formation and its extraction underground to the finished product and its transport. Explore the working conditions of the slate miners and get a vivid picture of the everyday world.
Entry to the site is free and various animations (ride on the industrial train, Bopebistro, Detektive Schuppi,...) are available.

Practical information

  • Toilets
  • Shop

Culture info

  • Arts and crafts

Opening hours

Opening hours are subject to change. Please check them before your visit in order to be sure.
Tuesday16.04.2024 : 13:00 - 18:00
Wednesday17.04.2024 : 13:00 - 18:00
Thursday18.04.2024 : 13:00 - 18:00
Friday19.04.2024 : 13:00 - 18:00
Saturday20.04.2024 : 10:00 - 18:00
Sunday21.04.2024 : 10:00 - 18:00


  • exclusive discounts of up to -30%
  • free access to more than 80 attractions


Address: Musée de l'Ardoise
Entrée principale
L-8823 Haut-Martelange
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More offers

min.10 €
Slate Museum - Mine Johanna (-42m)

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A slate story

Transforming Experiences

Nestled in the rolling hills of quaint Haut-Martelange lies a place that takes visitors back to a time when slate was worked by hand. The rocks are living history and presented in fascinating ways at the new Slate Museum in Haut-Martelange.

Read more
Haut Martelange, Slate Museum
© Thomas Jutzler