The Casteldoria thermal spa is an enchanting corner of nature just a few kilometres from Valledoria, near the small town of Santa Maria Coghinas.
On the slopes of the Torre dei Doria, the Coghinas river conceals natural thermal springs, where the water reaches particularly high temperatures.

Near the riverbed visitors can take advantage of the naturally occurring hot water, thermal mud baths and inhalation treatments. There is also a splendid nature trail for walkers that leads up to the Doria Tower and which overlooks the entire valley.