Tourist attraction in Normandy - France
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Visit the Souterroscope des Ardoisières, a tourist attraction in Caumont l'Eventé (14). You will learn about the slate mining activity that dates from the 19th century.
The itinerary
The underground tour of our site is completed in 4 distinct stages. You will learn about the history of the earth during the geological time itinerary. You will also discover the phreatic zone and learn about the water cycle, including rainfall and groundwater formation. The illuminated water jets show will amaze you in the abyss.
Do not miss the Caumont blue gold exploitation room, which is an exclusivity of our site. You will find traces of the exploitation and its story will be narrated to you through a sound and light show. At the end of the tour, you will discover a mineral and semi-precious stone exhibition.
- Tourist attraction Normandy
- Geological museum
- Science museum
- Sightseeing tour
- Educational tour
- Remnants of the slate exploitation
- Presence of water and learning about its cycle
- Large underground spaces
- The geological time scale
- Illuminated water jets
- Mineral exhibition
- France
- Bretagne
- Normandie
- Île-de-France
- Pays de la Loire
- Picardie

The depths of the earth in their best light
A heritage not to be missed
The exploration of the Souterroscope des Ardoisières takes 1 hour. A guided tour (in English or French) leaves every 12 minutes.
If you are visiting Normandy, Brittany or France, do not hesitate to visit our site. You will discover the traces of slate mining at reasonable rates.

The abyss of the earth is a must-see
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You will discover a pleasant water jet show and a mineral exhibition room.