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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
  • How long is the visit ?
    • If you choose the guided visit : For the 1st part: approximately 1 hour, and the 2nd part takes 30 minutes to go down and up to the reception area.

    • If you choose the self-guided visit : you can count 45min to 1h to do the complete tour

  • Can we visit the caves alone ?

    You can opt for a self-guided tour (reserved for groups of less than 8 people). Children are the responsibility of parents or carers. It is forbidden to leave the main path and touch the concretions. Download the audio guide on your phone

  • 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.