Gellert Baths is one of Budapest's most iconic and architecturally magnificent thermal bath complexes, housed within the historic Hotel Gellert in Buda. Built between 1912 and 1918 in the Art Nouveau Secession style, the baths are renowned for their extraordinary interiors featuring colourful mosaics, marble columns, vaulted ceilings, and an awe-inspiring main hall with an ornate glass roof. The thermal waters, rich in calcium, magnesium, bicarbonate, chloride, sulphate, and fluoride, emerge at temperatures between 35 and 40 degrees Celsius and are therapeutically indicated for degenerative joint conditions, spinal disorders, arthritis, and circulatory disturbances. The complex originally included outdoor thermal pools, an artificial wave pool added in 1927, and a glass-domed thermal pool from 1934. Treatments historically on offer have included therapeutic and aromatic massages, steam baths, mud therapy, and inhalation therapies for respiratory conditions. Please note that Gellert Baths is currently closed for renovation, with a planned reopening in 2028.