Lake Hévíz among Rotatorias as well ("Epiphanes brachionus" var. "Spinosus", "Lecane inermis"), which are only present in warm waters. Jenő Ponyi has described the lake's primitive crustaceans in detail. Also a unique "Hydracarina acarus" is said to have found its habitat outside the fence surrounding the lake. The waters are reported to be beneficial to patients suffering from rheumatic diseases and locomotor disorders, among others. There is a thriving health tourism industry in the area. Lake Hévíz Lake Hévíz is located in Hévíz, Hungary, near the western end of Lake Balaton, from Keszthely. It is the largest thermal lake in the world,
Lake Neusiedl height can participate in this event, which was revived in 2004. Lake Neusiedl Lake Neusiedl () or Fertő (; ; ; ) is the largest endorheic lake in Central Europe, straddling the Austrian–Hungarian border. The lake covers , of which is on the Austrian side and on the Hungarian side. The lake's drainage basin has an area of about . From north to south, the lake is about long, and it is between and wide from east to west. On average, the lake's surface is above the Adriatic Sea and the lake is no more than deep. In the past,