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Termas de Aregos

Aregos, Resende, Douro, Portugal
Termas de Aregos
Location
Aregos, Resende, Douro, Portugal
Water type
iron-rich
Temperature
34 °C
pH
6.3

Water profile

Thermicity
Invigorating
34 °C
LowHigh

Stimulating — wakes the body and boosts circulation.

Mineralisation
Bio-active
LowHigh

Rich in active gases or metals — a strong mineral character.

Buoyancy
Standard buoyancy
LowHigh

Soft water — natural, classic buoyancy.

FerBicarbonatesManganèse

Termas de Aregos is a thermal spa resort in the municipality of Resende in the Viseu district of northern Portugal, set in the dramatic gorge of the Douro river, where ferruginous and bicarbonate-rich spring waters filter through the ancient schist and granite of one of the most geologically ancient landscapes in Iberia. The Douro valley at Resende lies within the Port wine country designated as a UNESCO World Heritage landscape — the oldest demarcated wine region in the world (1756), where generations of wine growers have hand-built terraced vineyards on 500-metre schist slopes above the river in an agricultural feat of extraordinary human endurance. A thermal cure at Termas de Aregos combined with a river cruise through the UNESCO Douro wine terraces, a visit to a quinta wine estate, and a tasting of vintage Port in its place of origin creates the definitive Portuguese wellness and wine experience in one of Europe's most dramatic river landscapes.

Insider tip — Termas de Aregos perches on a steep riverbank above the Douro, surrounded by terraced vineyards producing the grapes that feed Port wine lodges downstream. The iron-rich bicarbonate waters taste strongly mineral, and the warm soak is genuinely restorative after a day exploring the valley. Sunset from the balneario terrace, with the Douro gleaming between vine-covered schist hillsides, is genuinely spectacular.
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Frequently asked questions

How hot is the water?
The water is on the cooler side here, around 34 °C — an invigorating water that boosts circulation.
What type of water is found here?
This spot features iron-rich water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).