The Hirlatzhöhle is a cave in the Dachstein massif in the municipality of Hallstatt in the Upper Austrian part of the Salzkammergut. The total length of the cave known to date is over 115 km. It is therefore the third longest cave in Austria and, at 1559 m deep, the second deepest cave in Austria. The deepest point is at 443 m above sea level and therefore 65 m below the water level of the nearby Hallstättersee. It is the 21st longest cave in the world.
The Hirlatzhöhle is a cave in the Dachstein massif in the municipality of Hallstatt in the Upper Austrian part of the Salzkammergut. The total length of the cave known to date is over 115 km. It is therefore the third longest cave in Austria and, at 1559 m deep, the second deepest cave in Austria. The deepest point is at 443 m above sea level and therefore 65 m below the water level of the nearby Hallstättersee. It is the 21st longest cave in the world.
== Geography == It extends from Oberfeld in the east to Gamskogel in the west. The east–west extent is 5445 m, the north–south extent is 3662 m. Vertically, the cave extends over 1560 meters, reaching from 2003 m down to 443 m above sea level.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).