Our Austrian friend Paul invited us to join for e trip in help of a diving expeditions in Hirlatz. This is the third longest and second deepest cave in Austria (113km and -1560m). The ave is located in the Dachstein massif with several entrances. The highest entrance is behind a siphon in a spectacular big room called “Sahara”. Our club participated in the exploration of the top entrance in 2018 so the cave and the region weren’t unknown for us and we wanted to see it from the other side.
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