Carballo Thermal, in Galicia, Spain, offers thermal water at around 38°C (100°F). The complex features indoor pools, sauna and massage, for a relaxing break in the province of A Coruña.
Insider tip — Carballo thermal is located in the Ria Bergantiños area of Galicia's Atlantic coast, where mild bicarbonate-thermal springs have supplied the local balneario tradition for over a century. At 38 degrees, the water pairs well with the region's notoriously raw ocean climate, providing welcome warmth during the long grey winters of the Costa da Morte. The surrounding countryside is green year-round and excellent for walking the eucalyptus-lined inland tracks that link the coastal fishing villages.