Route De St Lo,



Visit the Souterroscope des Ardoisières in Caumont l'Eventé (14) for a sightseeing tour in the heart of the earth.

You will discover various underground treasures.

A detailed route to satisfy your curiosity

You will learn the secrets of our site in 4 steps. After having followed the geological time course, we present to you our visible heritage, the water table. The lakes change colour according to the light show. Through the audiovisual "water under the grove", you will learn about the water cycle, from rainfall to the formation of the slicks. As you enter the abyss, you will witness a wonderful show of water and light. You will also find traces of the slate workers' tools in the slate room. You will learn about the operating conditions and constraints via a slideshow. You will discover the mineral exhibition at the end of the tour.

Meeting of the underground world and its riches

What the underground world has in store for you

An underground tour of the Souterroscope des Ardoisières promises many surprises. You will access huge cathedral-like spaces that are lit. The visit of the 4 stages lasts for one hour and a guided tour (in English or French) leaves every 12 minutes.

Vast spaces at several metres underground

Sightseeing tour Caumont l'Eventé

Sightseeing tour Caumont l'Eventé

A tour of the Souterroscope des Ardoisières will help you learn more about:

  • History of the earth
  • Water cycle, the essence of life
  • Slate mining
  • Minerals
  • Presence of vast underground spaces

We invite you to visit our site soon.