Museum
Seegrotte
21 locals recommend,
Location
2a Grutschgasse
Hinterbrühl, Niederösterreich
Tips from locals
A huge natural event created one of the most impressive natural monuments of the world in 1912: the "Seegrotte". By blasting in the former plasterworks, 20 million liters of water flowed into the galleries and formed the largest underground lake in Europe. There are mystical galleries, the history of secret aircraft production in the Second World War as well as a romantic boat trip by the lake.
A huge natural event created one of the most impressive natural monuments of the world in 1912: the "Seegrotte". By blasting in the former plasterworks, 20 million liters of water flowed into the galleries and formed the largest underground lake in Europe. There are mystical galleries, the history o…
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