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.
Lake Lucerne 1933 been used for rowing regattas instead. Lake Lucerne Lake Lucerne (, literally "Lake of the Four Forested Settlements", , ) is a lake in central Switzerland and the fourth largest in the country. The lake has a complicated shape, with several sharp bends and four arms. It starts in the south-north bound Reuss Valley between steep cliffs above the "Urnersee" from Flüelen towards Brunnen to the north before it makes a sharp bend to the west where it continues into the "Gersauer Becken". Here is also the deepest point of the lake with . Even more west of it