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.
Ranco Lake Ranco Lake Ranco Lake () is located in Ranco Province of Chile. It is the largest lake of Los Ríos Region and the fourth largest in Chile. Administratively Ranco Lake is split into three communes; La Unión, Futrono and Lago Ranco. The lake hosts a series of islands, of which Huapi Island is the largest. The western half of the lake is roughly circular while the eastern part features deep embayments. Geographically the lake lies in the Andean precordillera, the zone between the Chilean Central Valley and the Andes. During the Miocene the lake depression was connected to the Pacific