Mizu Spa Balneario Urbano, in Guadalajara, Castilla-La Mancha, is an urban spa with thermal water around 38°C. Indoor pools, a sauna and massages make it a relaxing city-centre escape.
Insider tip — Guadalajara in Castilla-La Mancha lies 55 km northeast of Madrid at the confluence of the Henares and Dulce rivers, a city of Mudéjar architecture and quiet Castilian dignity. Mizu Spa Balneario Urbano brings Japanese-influenced aquatic wellness to this historically underrated provincial capital, where the thermal spa tradition meets the contemporary onsen aesthetic.