The geological events in 1875 gave birth to the Bear Lake, which is unique in Europe, its water being helio-thermal and salty, with well-known therapeutic effects (for chronic gynecological symptoms, severe rheumatic pains, peripheral nervous system and post-accidental motor diseases).
There are four more salty lakes: Nut Lake, Black Lake, Red Lake and Green Lake. In the interwar period, Sovata became one of the most fashionable spas in the country, visited several times even by the Romanian Royal Family.
In recent years many new villas and hotels occured next to the thermal lakes. The spa was renovated and is well mentained. Many tourists from Romaina and foreign countries visit the resort every year.