Proposed as a World Heritage Centre,
this ranks today among the grandest caves of the
world, an underground space of discovery and conservation.
The visit open to the public covers
3ha (75 acres) or just a tenth of the total surface
known today.
The route covers 500 metres, part
of it is a staircase leading down 120 metres.
The entire route is entirely adapted for public
visits. From many viewpoints along the way, you
will be able to admire, in total safety, nature's
imposing chambers. A world where multitudes of
crystallisations combine the delicate with the
gigantic.

You return to the surface by lift. The recently
installed illuminations highlight the marvels
of the underground world at each step. A sound
and light show awaits you in the Red Room. Your
guide will explain how the cave was formed and
the extraordinary processes necessary for the
build-up of the amazing stalagmite and stalactite
formations.
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