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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
  • Can I bring my baby or a little child?

    • Yes, but it is necessary to take into account temperature variations (14°C to 4°C) and to cover children well whatever their age.

  • 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 there many stairs in the Caves?

      • The tour of the caves is divided into 2 parts (see the sectional plan):
      • Part 1: the 800-meter-long upper gallery corresponds to an elevation gain of approximately 5 floors to descend gradually. It has several stops to take advantage of the premises.
      • Part 2: The large room and the old siphon which leads to the belvedere overlooking the Cerdon’s valley and its vineyard.
      • This second section extends the visit circuit by around 400 meters with an additional elevation equivalent to approximately 5 floors. After a break on the belvedere to admire the Cerdon’s valley, the ascent takes place at your own rhythm to the reception.