© Musée de l'Ardoise

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

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.
MondayClosed
Tuesday16.09.2025 : 10:00 - 18:00
Wednesday17.09.2025 : 10:00 - 18:00
Thursday18.09.2025 : 10:00 - 18:00
Friday19.09.2025 : 10:00 - 18:00
Saturday20.09.2025 : 10:00 - 18:00
Sunday21.09.2025 : 10:00 - 18:00

Contact

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

More offers

min.10.00€
Slate Museum - Mine Johanna (-42m)

Individual tour of the underground mine "Johanna" at the Slate Museum Haut-Martelange. Discover the great slate extraction…
min.15.00€
Slate Museum - Guided Tour "Below ground"

Every Sunday, you have the possibility to participate in a guided tour of the underground mine "Johanna"!After a short…

More sites

Përmeshaff – Estate ruins
Përmeshaff, a historic site near Kaundorf, traces its roots to 1195. Over the centuries, it evolved into a religious centre, attracting pilgrims to its chapel and healing springs. Despite enduring a devastating fire in 1936, recent archaeological efforts have unveiled layers of its rich history, highlighting significance of Përmeshaff as a cultural landmark.
Find out more
© Mike Zenari
free
with theLuxembourgPass
National Brewery Museum and Tannery Museum
Discover the fascinating brewery museum in the historic ambience of Wiltz Castle! Immerse yourself in the world of beer making, take part in a brewmaster course and enjoy your own brew on site.
Find out more
Beermuseum of the Diekirch Brewery
Discover the history museum of the Diekirch brewery, where an impressive private collection presents the brewery's advertising development over more than a century
Find out more
© Visit Éislek
Centre Cinqfontaines
The small village of Cinqfontaines (Five Wells), not far from Troisvierges, is home to a former monastery built at the beginning of the 20th century. In 1941 it was confiscated by the Nazis who used it as a place of internment for Jews from Luxembourg.
Find out more
© Visit Éislek
Bunker Kaundorf
This bunker from World War II, where deserted forced conscripts hid until liberation, can be reached via an approx. 1 km-long footpath. The walk is well worth it, as hikers near the bunker are rewarded by an impressive view over the Upper Sûre Lake.
Find out more
© Jängel Klasen
Veiner Gare – Former Trainstation
Nestled along the River Our, the town of Vianden once boasted a unique railway connection – the "Benny Express." This narrow-gauge line operated from 1889 to 1948, linking Vianden with Diekirch's main railway, a vital step in making the town more accessible to tourists.
Find out more
© Visit Éislek
National Strike Monument Wiltz
Visit the impressive monument commemorating the general strike during the Second World War. Learn more about the tragic events of that time that shaped Luxembourg's history.
Find out more
© Pancake! Photographie
free
with theLuxembourgPass
Museum of the History of Diekirch
Explore the Diekirch History Museum, which has been open since 2011. Immerse yourself in the fascinating history of the town, from prehistoric artefacts to current events, all presented in an exciting way.
Find out more
© Musée Rural Binsfeld
free
with theLuxembourgPass
Rural Museum A Schiewesch
Immerse yourself in the past in the lovingly designed museum "A Schiewesch", a converted farm from the 17th century, where over 50 thematic areas in 21 rooms make former rural life come alive.
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