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.
Leech Lake Leech Lake Leech Lake is a lake located in north central Minnesota, United States. It is southeast of Bemidji, located mainly within the Leech Lake Indian Reservation, and completely within the Chippewa National Forest. It is used as a reservoir. The lake is the third largest in Minnesota, covering with of shoreline and has a maximum depth of . Leech Lake outlets to the Leech Lake River, which flows into the Mississippi River. The sole outlet to the Leech Lake River is controlled by a dam in order to regulate water levels of the lake. Leech Lake has seven major