Termas da Felgueira, Portugal
Termas da Felgueira is a historic 35-degree sulphurous spa in Caldas da Felgueira, with water aged 13,000 years and treatments running since the 19th century.
Avenida Antonio Marques, Caldas de Felgueira, 3525-201 Canas de Senhorim, Nelas, Viseu, Portugal
Nelas
PT
40.48922697
-7.8654706
Resorts & Spas
Paid
Easy to reach (no hike)
Generally safe
Swimsuit required
true
false
Europe
termas-da-felgueira-portugal
Outdoor hot spring pool in a resort with hills in the background at termas de felgueira in portugal
What is the water temperature at Termas da Felgueira?
The thermal source emerges at approximately 35 degrees Celsius, classified as mesothermal (close to human body temperature). The water is comfortable for extended bathing in the thermal swimming pool and treatment baths.
What is the mineral composition?
The water is sulphurous, sodium bicarbonate, carbonated, fluoridated and sulfide-hydrated, with ionised silica. Sulphur is the main constituent, giving the characteristic mild smell. The water is medically indicated for respiratory, musculoskeletal, and skin conditions.
How long is a thermal treatment course?
Traditional courses run approximately 14 days, with 7-day programmes also increasingly common. For Portuguese Social Security (SNS) reimbursement, a minimum 12-day course with a family doctor prescription is required.
Are these the Portuguese aguas termais used since the 19th century?
Yes. These aguas termais were in therapeutic use by the late 18th century. The waters won formal recognition at the 1867 Paris Universal Exhibition, the first concession was granted in 1880, the original bath house opened in 1887, and the modern thermal centre opened in 1997.
What conditions is the water indicated for?
2026-10-10

Updated October 10, 2026

Termas da Felgueira, Portugal

Termas da Felgueira is a historic 35-degree sulphurous spa in Caldas da Felgueira, with water aged 13,000 years and treatments running since the 19th century.
Outdoor hot spring pool in a resort with hills in the background at termas de felgueira in portugal
Quick Facts
Experience
Resorts & Spas
Access Level
Easy to reach (no hike)
Safety Level
Generally safe
What to Wear
Swimsuit required
Family Friendly
Yes
Entry Fee
Paid
Wheelchair Access
No
Address
Avenida Antonio Marques, Caldas de Felgueira, 3525-201 Canas de Senhorim, Nelas, Viseu, Portugal
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Overview

About Termas da Felgueira

Termas da Felgueira, Portugal is a historic sulphurous thermal spa in the small village of Caldas da Felgueira in Canas de Senhorim parish, Nelas municipality, in the Viseu district of central Portugal. The thermal source emerges from the ground at approximately 35 degrees Celsius, a mesothermal temperature close to body heat, with a sulphurous, sodium bicarbonate, fluoridated and silica-rich mineral composition in which sulphur is the main constituent. Hydrogeological studies indicate the water remains underground for roughly 13,000 years before resurfacing. The site sits on the right bank of the Mondego River, between the Serra da Estrela to the east and the Serra do Caramulo to the west. Viseu, the nearest district capital, lies approximately 30 minutes north.

These termas have been in therapeutic use since the late 18th century. The waters won formal recognition at the 1867 Paris Universal Exhibition and the first concession was granted in 1880, with the original bath house opening in 1887 and the modern thermal centre built in 1997. The complex sits adjacent to the Grande Hotel das Caldas da Felgueira and includes a thermal swimming pool, treatment facilities, and the Buvette.

Termas da Felgueira is one of the better-known hot spring resorts Portugal preserves in the Serra da Estrela foothills of the Centro region.

Location & Access

Getting to Termas da Felgueira

Termas da Felgueira is reached by a short drive to Avenida Antonio Marques in the Caldas da Felgueira village, approximately 10 kilometres east of the town of Nelas and 30 minutes south of Viseu. The resort is drive-up accessible with on-site parking. No hike is required and the thermal centre, swimming pool, Buvette, and Grande Hotel are connected on paved paths through the small spa village.

From Lisbon, the drive takes approximately 2.5 hours northeast via the A1 and A25 motorways, exiting toward Nelas. From Porto, the drive is approximately 1.5 hours southeast via the A1 and A25. From Coimbra, the drive is approximately 1 hour northeast via the A1 and IP3. For visitors seeking hot springs near Viseu, this is the closest and most historically significant thermal spa in the district, with a direct drive on main motorways from the Viseu city.

Dao Wine and Serra da Estrela Region

Caldas da Felgueira sits in the Dao DOC wine region, one of the oldest demarcated wine regions in Portugal, known for red wines based on Touriga Nacional and other Portuguese grapes. The Serra da Estrela, mainland Portugal highest mountain range, rises east of the spa and offers hiking, skiing in winter, and the traditional Serra da Estrela cheese. Combining Felgueira thermal bathing with Dao wine tasting and Serra da Estrela day trips makes a strong Centro Portugal itinerary.

Suitability & Accessibility

Who Should Visit Termas da Felgueira

Termas da Felgueira suits wellness travellers, older guests, and visitors seeking a classical Portuguese medicinal thermal spa with sulphurous water specifically indicated for respiratory, musculoskeletal, and skin conditions. The 35 degree Celsius mesothermal temperature is comfortable for extended bathing in the thermal swimming pool, and the treatment programme includes individual immersion baths, inhalations, nasal washes, and other sulphurous water therapies traditional to Portuguese thermalism.

These aguas termais are medically indicated for asthma, bronchitis, rhinitis and sinusitis among respiratory conditions, osteoarthritis and joint rehabilitation among musculoskeletal conditions, and dermatitis and eczema among skin conditions. Treatment courses typically run 7 to 14 days, with the Portuguese Social Security (SNS) reimbursing courses of at least 12 days with a family doctor prescription. This established hot spring resort Portugal visitors return to for both wellness breaks and medically supervised thermal courses operates alongside the Grande Hotel das Caldas da Felgueira, allowing guests to combine lodging and thermal access in a single stay.

Accessibility at Termas da Felgueira

The modern thermal centre built in 1997 reports accessible facilities for guests with reduced mobility. Contact the resort directly for current specifics and advance booking of adapted services. Those seeking a cooler medicinal thermal spa in the Centro region should consider Termas da Curia in the Bairrada wine region, approximately 1.5 hours west by car.

Safety & Etiquette

Termas da Felgueira Safety Tips

Termas da Felgueira is generally safe for guests as a fully staffed and medically supervised thermal spa with on-site clinical consultations available, but visitors should still follow the resort schedule, hydrate regularly, and respect the structured morning and afternoon treatment sessions. The 35 degree Celsius mesothermal water is comfortable for extended bathing but the sulphurous content and specific indications mean that medical intake is required before most treatments, particularly for guests with cardiovascular, respiratory, or complex medical histories.

Absolute contraindications include serious heart disease. Relative contraindications include recent asthma flare-ups and other acute respiratory episodes. Pregnant guests should consult the clinical team before booking. The sulphurous water has a mild characteristic smell that is harmless.

Rules and Etiquette

Shower before entering the pools, following the resort rules. Do not use soap, shampoo, or detergents in the thermal water. Guests must arrive at the thermal centre wearing a swimsuit, a bathrobe, and pool shoes for pool-based treatments. All thermal services require advance booking. The sulphurous water can stain light-coloured swimwear and silver jewellery, so dark swimwear is recommended.

Climate and Travel Notes

Central Portugal has a mild Atlantic Mediterranean climate moderated by elevation in the Viseu district. Summer daytime highs reach approximately 30 degrees Celsius in July and August, and winter nights can drop near freezing in the Serra da Estrela foothills. The thermal centre operates with structured sessions. Hours vary by season, so confirm current times before travelling.

Frequently Asked Questions

1
What is the water temperature at Termas da Felgueira?
The thermal source emerges at approximately 35 degrees Celsius, classified as mesothermal (close to human body temperature). The water is comfortable for extended bathing in the thermal swimming pool and treatment baths.
2
What is the mineral composition?
The water is sulphurous, sodium bicarbonate, carbonated, fluoridated and sulfide-hydrated, with ionised silica. Sulphur is the main constituent, giving the characteristic mild smell. The water is medically indicated for respiratory, musculoskeletal, and skin conditions.
3
How long is a thermal treatment course?
Traditional courses run approximately 14 days, with 7-day programmes also increasingly common. For Portuguese Social Security (SNS) reimbursement, a minimum 12-day course with a family doctor prescription is required.
4
Are these the Portuguese aguas termais used since the 19th century?
Yes. These aguas termais were in therapeutic use by the late 18th century. The waters won formal recognition at the 1867 Paris Universal Exhibition, the first concession was granted in 1880, the original bath house opened in 1887, and the modern thermal centre opened in 1997.
5
What conditions is the water indicated for?
The sulphurous waters are indicated for respiratory conditions (asthma, bronchitis, rhinitis, sinusitis), musculoskeletal conditions (osteoarthritis, joint and muscle rehabilitation), and skin conditions (dermatitis, eczema). A medical consultation at the thermal centre is required before treatment.

Location

Address:
Avenida Antonio Marques, Caldas de Felgueira, 3525-201 Canas de Senhorim, Nelas, Viseu, Portugal
Coordinates:
-7.8654706
,
40.48922697
Official Reference:
Stay Nearby
Find a place to stay

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See nearby stays →
40.48922697
-7.8654706
Termas da Felgueira, Portugal
Text LinkOutdoor hot spring pool in a resort with hills in the background at termas de felgueira in portugal
Avenida Antonio Marques, Caldas de Felgueira, 3525-201 Canas de Senhorim, Nelas, Viseu, Portugal

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