Aix-les-Bains has been one of France's premier thermal spa destinations since Roman times. The present thermal establishment draws on natural sulphurous springs that emerge at temperatures of 42–45°C. The town is particularly popular for medically supervised thermal cure programmes for rheumatology and respiratory conditions, and the lakeside setting on Lac du Bourget adds to its restorative appeal.
Les Thermes d'Aix-les-Bains is one of France's oldest and most reputable thermal spa institutions, occupying a landmark Belle Époque building at Place Maurice Mollard in the Savoie town of Aix-les-Bains, on the southern shore of Lac du Bourget in Auvergne-Rhône-Alpes. The establishment draws on natural sulphurous springs that emerge at 42–45°C — the same sources that attracted Roman settlers to this site more than two thousand years ago. The thermal tradition here remains medically grounded: the spa operates under full medical supervision and is recognised by the French Social Security system for prescribed thermal cure programmes targeting rheumatological, respiratory, and post-operative conditions. The Vichy shower — in which the guest reclines on a heated waterproof plinth while multiple overhead jets deliver pressurised mineral water — is a centrepiece treatment, paired with traditional mud wraps using mineral-rich thermal clay and inhalation therapy using steam infused with the sulphurous spring water. Hydrotherapy pools fed by the natural spring allow extended immersion at therapeutic temperatures, and a hammam and sauna circuit completes the wellness offering for day visitors. Therapists hold French state qualifications in balneotherapy and physical therapy; the centre is staffed by certified masseurs and hydrotherapy specialists. The atmosphere is classical and purposeful — high ceilings, polished stone, and the measured pace of a working thermal centre rather than the engineered luxury of a lifestyle resort. The lakeside position allows guests to walk directly to Lac du Bourget's promenade between treatment sessions, or take a boat excursion to the Abbaye de Hautecombe on the opposite shore. Day visitors may purchase a wellness circuit pass from €35, covering pool, hammam, and sauna. Individual treatments — Vichy shower, mud wrap, massage — are booked and priced separately. For the medically supervised cure programme, a physician's prescription is required and bookings are made in advance through the centre's medical office. The establishment operates year-round, Monday to Saturday, with the therapeutic season at its busiest from April through October.
Treatments
- Thermal bathing
- Vichy shower
- Hydrotherapy
- Mud wraps
- Inhalation therapy
- Therapeutic massage
Good to know
- Hours
- Mon–Sat 08:00–19:00; Sun 09:00–13:00
Location
Place Maurice Mollard, 73100 Aix-les-Bains
45.6892, 5.9145 View on map
Highlights
- Natural sulphurous springs at 42–45°C, used for bathing and hydrotherapy since Roman times
- Medically supervised thermal cure programmes recognised by the French Social Security system
- Signature Vichy shower and mineral mud wraps in a preserved Belle Époque building
- Lakeside setting on Lac du Bourget with access to promenade walks between treatment sessions
- Full wellness circuit — thermal pools, hammam, sauna, and inhalation therapy — from €35
Tips for visiting
- Book therapeutic treatments at least a week in advance, especially during the April–October high season
- Arrive early for walk-in pool access; the wellness circuit is quietest on Monday and Tuesday mornings
- Bring a swimsuit in dark colours — the sulphurous mineral water may cause light fabrics to discolour
- The day pass covers pool and circuit access; individual treatments are booked and priced separately
- Combine a thermal session with a boat trip on Lac du Bourget for a full restorative day
Frequently asked questions
Do visitors need a medical referral to use the spa?
The general wellness circuit — pools, hammam, and sauna — is open to any visitor without a referral. The medically supervised thermal cure programme requires a doctor's prescription and is reserved in advance through the centre's medical office.
Is the spa open in winter?
Yes, Les Thermes d'Aix-les-Bains operates year-round, Monday to Saturday. The therapeutic cure season peaks between March and November, but general wellness access and treatments are available throughout the year.
Can treatments be covered by French health insurance?
Approved medical thermal cure programmes are partially reimbursed by the French Assurance Maladie when prescribed by a physician. General wellness and cosmetic treatments are not reimbursed.
What should visitors bring?
Visitors should bring a swimsuit, flip-flops, and a towel. The spa provides robes and basic amenities. Swimwear is required in all pool areas.
Is there parking near the spa?
The spa is in the town centre, served by public transport. Limited paid parking is available on Place Maurice Mollard and in adjacent municipal car parks.