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Day Trips

The Spa Towns And The Habit Of Taking Waters

Thermal towns north of the city grew around mineral springs and a nineteenth-century medical fashion, and their oversized architecture is the surviving evidence of that season.

Vibrant coastal scene with cliffs, beach, and spring flowers in Algarve.
Photograph by Luciano Silva via Pexels
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Several towns in the region are built around hot or mineral springs and carry architecture far grander than their size explains. The spa boom paid for it, and the shape survives.

The springs came first and were used long before

Thermal and mineral springs occur where groundwater circulates deep enough to be heated or to dissolve minerals from the rock, then returns to the surface along a fault.

Such sites were used in Roman times and after, so the modern spa town is usually the third or fourth settlement on the same water.

The continuity matters because it explains why a small town can have layers of bathing structures from very different periods on one site.

The nineteenth century turned it into an industry

Taking the waters became a prescribed medical routine across Europe, with stays of several weeks, fixed schedules and a supervising physician.

That created a demand for hotels, a pump room, gardens, a theatre and everything else that entertains people who are staying for a month.

Those buildings are why the towns look disproportionate. They were built for a seasonal population many times the resident one.

The railway made and unmade them

Rail access is what allowed a spa town to draw a national clientele, and the boom towns are almost always the ones that got a line.

The same connectivity later worked against them, once the coast became reachable in a few hours and a beach holiday replaced a cure as the standard summer.

Several towns then entered a long decline in which the buildings survived precisely because there was no money and no pressure to replace them.

What a visit actually offers now

Some spas still operate, often combining a medical treatment programme with ordinary leisure bathing, and the two clienteles use the same water at different hours.

Others have become architectural visits, where the interest is the pump room, the park and the hotel façades rather than the water itself.

The parks are frequently the best part. Spa gardens were laid out for slow walking on a schedule, and they are still very good at exactly that.

Reading the town in the right order

Find the spring first. Everything in the town radiates from it, and the oldest structure on the site is almost always the closest to the source.

The distance from the spring to the grand hotels tells you how the boom expanded, since later building pushed outward as the season grew.

Nothing about these places needs a health claim to be interesting. The architecture, the timetable and the social history are the substance of the visit.

Questions readers ask

Is it worth the trip on its own?

Not really. It is a cliff and a lighthouse. Combine it with the coast walk or a nearby town and it becomes a good day.

Why is it so cold there in summer?

Wind acceleration over the headland, cold upwelled water offshore, and no shelter at all. Wind chill does the rest.

Day Tripsday tripscoastweathergeography
Inês Carvalho
Editor, Coffee in Lisbon

Inês edits Coffee in Lisbon and has lived in three of its neighbourhoods, none of them the fashionable one.

Also by Inês Carvalho