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Volcanic columns

Volcano, Natural wonder in Usson

  • While heading the summit, you can see basalt columns: lava cooling down took the shape of pipes of organs, just like hexagonal columns.

  • These columns are of volcanic origin: they are lava which, when cooled, took the form of organ pipes, like hexagonal columns. This angular rock was used to build the castle and then the village houses.
  • Spoken languages
    • French
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  • All year 2025
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