Thermes de Spa

Thermes de Spa sits on the Colline d'Annette et Lubin in the town of Spa, the Liège-province spa town whose name gave the word its modern meaning and which is tied to Belgium's UNESCO-recognized thermal tradition. The baths are supplied by natural mineral water rather than heated tap water, following a thermal practice with centuries behind it.

The complex is built around two main zones: the Bains et Espaces Thermaux, with mineral-water pools, and the Saunas, Hammams et espaces de relaxation, which include both a textile (swimsuit-required) area and a clothing-optional naturist section. Day passes are sold and walk-ins are welcome, so no treatment booking is required just to use the baths and saunas. Pricing sits in the moderate range for the category.

Alongside the baths, a small institut offers a short treatment menu — two listed treatments — rather than a full spa-services catalogue. Its current signature offering is the Massage Hydro-Sensoriel, a newly introduced dry massage. Reservations for baths, packages or treatments can be made through the online booking system (open around the clock), by phone, or by email, with the reservation desk staffed daily. Staff work in French, Dutch, English and German.

Opening hours shift through the week: the baths run from 9am to around 9pm on most weekdays, stretch to 10pm on Fridays, and close a bit earlier, at 8pm, on Sundays. The venue welcomes both families and adults-only visitors, depending on which area of the baths is in use.