Slate Museum - Underground Mine "Johanna" (-42m)
Sale ended

Individual tour of the underground mine "Johanna" at the Slate Museum Haut-Martelange. Discover the great slate extraction chambers and learn more about the life and work conditions of the slate quarry men at -42 m underground, through projections and extraordinary illuminations!

  • new underground mine
  • lowest, underground bridge
  • -42 m below ground
  • original movies, pictures and other projections
  • special underground illuminations
  • Slate industry and the life of the quarrymen
Duration90 Minutes
Bring along

Sturdy shoes and a jacket

LanguagesEnglish, French, German, Luxembourgish
Opening hours

For visitors starting the age of 4 years. Due to security reasons, children below the age of 4 years, are not allowed to visit the underground mine!


Musée de l'Ardoise
Musée de l'Ardoise, Rambruch, Luxemburg
Free Parking
Bus Stop "Martelange, Leekoll"

Offered by

Musée de l'Ardoise a.s.b.l
8823 - Rambrouch

Further information

Visitors have now the opportunity to discover, without guide, the new mine "Johanna" and its vats slate extraction chambers. During a 90-minute underground visit at a constant temperature of 9°C, the mine will take you to a depth of -42m (+-370 steps in total). Modern lighting and audiovisual projections will give you an understanding of the local slate industry as it unfolded at the beginning of the 20th century, as well as an impression of the trade and life of slate workers back in the days.

For the security and comfort of the visitors, sturdy shoes and a jacket are mandatory. Out of safety reasons, children must be min. 4 years to access the underground mine!

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Please call : +352 26 95 05 66