Caldas da Felgueira

Thermal bathNelas, Viseu, Portugal
Water temperature
36 °C

Historic sulphurous thermal spa in the Alto Mondego valley near Serra da Estrela, with a 30-32C thermal pool, balneotherapy and a grand hotel.

About

Caldas da Felgueira, in Nelas, is a historic thermal station set in the Alto Mondego valley a few kilometres from the Serra da Estrela. Use of its waters dates back to the early 19th century, and the thermal bathhouse was fully remodelled and expanded, reopening in 1997 with a modern thermal spa component.

Thermal water & source

  • Sulphurous, sodium-rich, radioactive mineral water that is bicarbonated and fluorinated, with a pH of 8.4
  • Mesothermal spring emerging at around 35.8C
  • Sulphur is the water's main constituent, helping to fluidify and clear mucous secretions and acting as an anti-allergic and anti-inflammatory agent

Pools & balneotherapy

  • Thermal pool with water kept at a controlled 30-32C, used for group aqua-aerobics and muscle and mobility work
  • Treatment programmes focused on respiratory and ENT conditions and on musculoskeletal rehabilitation, combining immersion techniques, showers and vapours to ease muscle tension, improve joint mobility and reduce inflammation

Spa & wellness

  • Intimate thermal spa (SPA Intimista) with certified therapists, combining traditional methods with innovative technologies
  • Sauna and warm public baths for relaxation and skin hydration

Hotel & setting

  • Served by the Grande Hotel das Caldas da Felgueira, a historic property in the heart of the thermal centre offering wellness programmes, thermal treatments and traditional gastronomy

Water

Certified medicinal water
Yes

Source: dgeg.gov.pt · Checked Aug 10, 2026

Facilities

  • Sauna
  • Wellness
  • Hotel
  • Restaurant

Only facilities that are recorded are listed. An absent entry means nobody has recorded it, not that it is missing.

Location

Nelas

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Nearby

Location data © OpenStreetMap contributors, ODbL. · last checked against the source on Aug 8, 2026