Lake Hévíz 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, which is available to bath ( in area). The flow of water is very strong and the water in the lake is completely replenished every 72 hours. The fauna and flora are unique in Lake Hévíz due to the temperature and chemical composition of the water, contains carbonic acid, calcium, magnesium, hydrogen carbonate, reduced sulfuric compounds as well as oxygen in solution. Several species so far can be found only in this lake.
Hungary the Alps, "Alpokalja", in the west of the country, the Transdanubian Mountains in the central region of Transdanubia, and the Mecsek Mountains and Villány Mountains in the south. The highest point of the area is the Írott-kő in the Alps, at . The Little Hungarian Plain ("Kisalföld") is found in northern Transdanubia. Lake Balaton and Lake Hévíz, the largest lake in Central Europe and the largest thermal lake in the world, respectively, are in Transdanubia as well. The "Duna-Tisza köze" and "Tiszántúl" are characterized mainly by the Great Hungarian Plain ("Alföld"), which stretches across most of the eastern and southeastern