The spa is located on the Spa Island between two branches of the Váh river, at the site of several hot springs with temperatures of . The water originates in a tectonic break at depth. The sulfate–carbonate water from the springs is used in pools and tubs. Sulfurous mud extracted from the bed of a side channel of the river is also used for treatment in the form of thermal mud pools with temperature and for partial and full body packs. Spring water and mud therapy is complemented by electrotherapy, exercise, massage, medication, and diet.