The cave is well-known as a mineral spring that helps cure diseases. Open to visitors - enjoy the exciting boat ride.
Official Website http://www.tavasbarlang.hu/index.php/en/
More information on showcaves.com http://www.showcaves.com/english/hu/showcaves/DiosgyorTapolca.html
Phone +36 87 412579
Coordinates 46°52'59.55" N 17°26'36.452" E