Eisbründlhöhle, Karst cave in Graz district, Austria.
The Eisbründlhöhle is a karst cave located at the eastern base of Buchkogel mountain in Styria. The cave system is fed by spring water that flows down into nearby ponds and streams in the surrounding area.
Researchers explored the cave in the 1950s and found that it connects underground to Feliferhof-Polje. This discovery revealed that the source of the Bründlbach stream lay deeper beneath the earth than previously understood.
The cave appears in local folklore through stories about hidden passages that locals believed could affect the city. These tales show how people have long understood the mysterious water power beneath this landscape.
A 10-minute walk leads from the nearest bus stop to the cave entrance. The site is accessible on foot, and you can see natural pools formed by the spring water as you explore.
The cave feeds the Bründl ponds, which Schloss St. Martin turned into fish ponds during the 19th century. This water connection shows how the underground cave has supported human activity in the area for generations.
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