Osterrallye Slate Museum

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  • kids
  • museum
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Discover the fascinating world of slate in all its facets with your family.

What you can expect:

From March 28th to April 12th, we invite you to an Easter-themed scavenger hunt. Search for eggs, solve riddles, and discover the magic formula that will win you a small chocolate surprise.


No reservation is necessary. We are open every day from 10am to 6pm (closed on Mondays). Last entry at 4:30pm.

End your adventure with a descent into the mine!

Mine visits (-42 m) are possible during museum opening hours.
Sturdy shoes and a jacket are recommended.


Good to know

🎫 Price: €5 per child

Minimum age: 5 years.



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Musée de l'Ardoise - Haut-Martelange

Where does it take place?

8823 Luxembourg Musée de l'Ardoise, Martelange-Haut, Rambrouch, Luxembourg

Musée de l'Ardoise - Haut-Martelange
Musée de l'Ardoise
Martelange-Haut
Rambrouch
Luxembourg



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Weather forecast (Rambruch)

fri. 3
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sat. 4
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sun. 5
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  • 2026-03-28 2026-04-12 Europe/Paris Osterrallye Slate Museum Discover the fascinating world of slate in all its facets with your family. What you can expect: From March 28th to April 12th, we invite you to an Easter-themed scavenger hunt. Search for eggs, solve riddles, and discover the magic formula that will win you a small chocolate surprise. No reservation is necessary. We are open every day from 10am to 6pm (closed on Mondays). Last entry at 4:30pm. End your adventure with a descent into the mine! Mine visits (-42 m) are possible during museum opening hours. Sturdy shoes and a jacket are recommended. Musée de l'Ardoise, Martelange-Haut, Rambrouch, Luxembourg Musée de l'Ardoise - Haut-Martelange
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