Rich in active gases or metals — a strong mineral character.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
SoufreSulfuresSulfates
Discover the Termas Acuña thermal spring spa in Caldas de Reis, Galicia, Spain. This sulfurous thermal water destination is part of a historic town along the Portuguese Way of St. James. Relax and rejuvenate in the natural hot springs, rich in minerals. Experience the unique charm of this Galician spa.
Insider tip — Termas Acuña is situated in Caldas de Reis, a historic Galician spa town on the Camino Portugués pilgrimage route. The sulfurous thermal waters emerge at around 40 °C and are traditionally used to soothe tired muscles — a perfect stop for pilgrims heading to Santiago de Compostela. The town's ancient stone bridges and Roman thermal heritage give the setting a timeless atmosphere. Combine a thermal soak with a stroll along the Umia River for the full Galician experience.