Klafterbrunn Castle is located on a hill above the Traisen and was already used as a boys' boarding school in the 18th century, but was also a wood vinegar factory. In the 1938 Austrian address book, Princess Margarete Fürstenberg is named as the owner.
Today it is operated as a hotel.
schloss-klafterbrunn-holiday-home.lower-austria-hotels.com/de