©Brainplug

Slate Museum - Musée de l'Ardoise

Where? Entrée principale, L-8823 Haut-Martelange

free
with theLuxembourgPass

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
  • Nearby public transport

Culture info

  • Visit possible (& visit information)

LuxembourgPass

  • Free admission for individual visits to the "Johanna" visitor mine with the LuxembourgPass

Opening hours

Opening hours are subject to change. Please check them before your visit in order to be sure.
Sunday20.09.2026 : 10:00 - 18:00
MondayClosed
Tuesday22.09.2026 : 10:00 - 18:00
Wednesday23.09.2026 : 10:00 - 18:00
Thursday24.09.2026 : 10:00 - 18:00
Friday25.09.2026 : 10:00 - 18:00
Saturday26.09.2026 : 10:00 - 18:00

Contact

Address: Musée de l'Ardoise
Entrée principale
L-8823 Haut-Martelange
Show on map

More sites

©Mike Zenari
free
with theLuxembourgPass
Museum of the village Vianden
Vianden History Museum: 1,000 years of history
Find out more
©Pancake! Photographie
free
with theLuxembourgPass
Victor Hugo House - Literary Museum
Victor Hugo Museum: follow the traces left by the writer in Luxembourg!
Find out more
©Visit Clervaux
free
with theLuxembourgPass
Museum Bataille et Châteaux - Battle of the Bulge and castle models
Treat yourself to a journey into the past and into other dimensions! This unique exhibition is suitable for young and old alike. Here you can discover history in a new way.
Find out more
©Visit Éislek
free
with theLuxembourgPass
Copper Mine Stolzembourg
Accompanied by a guide, discover the informative museum about the geology of the region, the history of the mine and the different mining periods. Follow the geological trail with 10 display panels and explore the deep underground galleries!
Find out more
Open-air museum of agricultural machinery
Right in the heart of Grümelscheid, the open-air museum for old agricultural machinery awaits you. Experience a journey back in time and discover this collection of historic equipment.
Find out more
©Plomm
free
with theLuxembourgPass
The PLOMM children’s museum
A unique experience! The PLOMM children’s museum offers children aged zero to twelve, as well as their families and companions, a wide range of exhibitions and studios.
Find out more
©Pancake! Photographie
free
with theLuxembourgPass
The Family of Man
Immerse yourself in the fascinating world of "The Family of Man" photo exhibition in Clervaux! Be inspired by this unique collection that captures the life, cultures and emotions of mankind in breathtaking images!
Find out more
©Musée Photographica
Photographica Museum
Immerse yourself in the fascinating world of photography in the heart of Doennange. This unique museum presents an impressive collection of over 1500 historic cameras, film cameras, projectors, magic lanterns and other accessories.
Find out more
©MNHM
free
with theLuxembourgPass
National Museum of Military History Diekirch
Discover life-size dioramas that sensitively depict the battles and lives of soldiers during the Second World War and explore the impressive collection of over 100,000 military artefacts!
Find out more

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