Record no. MRB-2026-007270

Largest Ice Cave in the World

Reference Record – Not Certified

This record is compiled from publicly available sources for reference. It has not been examined or certified by The Book of World Records.

A limestone cave system more than 42 km long, first explored in 1879. Location: Werfen, Salzburg. Key figure: 42 km+. Part of the One State One Record (Austria) campaign. Reference record compiled from public sources; not certified by The Book of World Records. Source: https://en.wikipedia.org/wiki/Eisriesenwelt