Heviz is the best known medical bath in Hungary with important turism. Located 6km far from Western-Balaton. The lake of Heviz is the largest thermal lake in Europe, 44.400m2. The temperature ranges between 23-26C in winter and 33-35C in summer. Already in the times of Roman rule the water was used for bathing. The health spa was founded by Count Gyorgy Festetics in 1795 and was popular even since. The 38m deep lake surrounded by a park and an alder wood is a nature conservation area.