Piscine Termali Theia

Piscine Termali Theia sits on Piazza Guglielmo Marconi in Chianciano Terme, in the Tuscan hills, and centers on a thermal pool complex open to day visitors. It's classed as a thermal bath facility rather than a full spa menu operation—the draw is soaking in the warm mineral water, not a slate of treatments.

Access works on a day-pass basis, and a reservation is required before showing up. The facility is family friendly, so it's not strictly an adults-only soak, which is worth knowing if you're planning a quiet solo visit or a trip with kids in tow.

Hours shift through the week: weekdays run 10:00 to 19:00, Saturday stretches much later from 9:30 to 23:30, and Sunday runs 9:30 to 20:00. The pools are closed on Tuesdays, so that's a day to skip if you're routing a visit through Chianciano Terme.

Price tier is on the affordable end, and the operator also runs a linked facility, Terme Sensoriali, with combined-ticket options surfacing from time to time—worth asking about when booking if you want more than the pools. For exact day-pass pricing, current promotions, and whether a lodging discount code applies, contact the facility directly or check the official site before you go, since rates and offers appear to change seasonally.