Therme București

Therme București is an indoor thermal and wellness complex at Balotești, on the DN1 road north of Bucharest and close to Henri Coandă airport. It is owned by Therme Group and opened in 2016. The operator calls the site the largest wellness centre in Romania and, in an answer about air handling, the largest health and wellbeing ecosystem in Europe.

The complex is divided into three ticketed zones: Galaxy, a family area with wave pool, slides and children's water playground; The Palm, a quieter relaxation area with age restrictions for children; and Elysium, the sauna and treatment zone. Attractions are listed individually by name — mineral pools, a selenium and zinc pool, outdoor pools in the Galaxy and The Palm zones, a salt library, more than a dozen named saunas and a long list of slides. Pool depths are given: the Galaxy wave pool runs from 1.30 m to 2.10 m at its deepest point, and all other pools are stated not to exceed 1.26 m.

The operator states that the geothermal water is extracted from more than 3,100 metres depth and treated by decalcification, desulphation, decarbonation and finally ozonation, and that chlorination follows Romanian regulations at a concentration close to the legal minimum. Water temperature in the Galaxy zone is given as between 33 and 36 °C. The water is described as rich in mineral salts, copper, zinc, selenium, calcium and magnesium, and explicitly as not radioactive.

All three zones open Monday to Thursday from 10:00 to 23:00, Friday and Saturday from 09:00 to 00:00 and Sunday from 09:00 to 23:00, with facilities closing 30 minutes earlier and last admission an hour and a half before closing.