Pierre Saint-Martin Cave

1951320 km surveyedFrance/Switzerland

CountryFrance/Switzerland

RegionPyrenees

Discovered1951

Size/Depth320 km surveyed

About Pierre Saint-Martin Cave

One of the deepest and longest caves in the world. The Verna Chamber is the largest underground room in France at 180 m wide. The shaft entrance series drops 350 m. Contains unique aragonite formations.

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