The Centre Thermal des Dômes is Vichy's principal working thermal establishment, housed in a nineteenth-century building whose copper-green domes are a landmark of the city's skyline. This is where the therapeutic tradition is still taken seriously: the centre offers a full range of medically supervised thermal treatments, including mineral baths, hydrotherapy, mud wraps, and more specialised programmes aimed at digestive, rheumatic, and circulatory conditions. French thermal cures are reimbursable under the national health system, and many of the clients here are on a three-week prescribed course rather than a weekend spa break.
Day visitors can access a range of wellness and relaxation treatments without the full medical programme. The combination of nineteenth-century architecture — soaring domed halls, ornate tilework, corridors that smell faintly of sulfur and minerals — with genuinely effective treatments is compelling. Even a single afternoon session in the thermal pools provides something quite different from a standard spa, and the medicinal context makes the whole experience feel less frivolous. Book ahead, particularly in summer and autumn when demand is highest.