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Visit the Cerdon Caves

A nature outing 1 hour from Lyon, Geneva or Annecy

The complete route of an ancient underground river

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Catering & leisure

For 8 people and more ...

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The Caves

More informations about the Caves

Map of the Caves
Plan des Grottes
Questions sur les Grottes
  • Are there visits in other languages ?
    • No, but we suggest that you download the commentary in different languages on your own smartphone before coming - Download the audioguide

    • We also lend paper translations of the visit (English, German, Dutch, Spanish, Italian and Russian).

  • What is the temperature in the cave ?
    • The upper gallery is at 13/14 °C and then drops to around 10 °C at the end of the large hall. For the second part, the temperature drops to 4 °C for 5 minutes. On the belvedere, you will find the outside temperature.


    • It is the temperature differences and the elevation that make this second part of the visit more physical.

  • Are dogs allowed in the caves ?

    • Yes, but they must be carried or placed in a basket. Only small dogs