The thermal pool is an active thermal mineral-medicinal water pool composed of different jacuzzis, beds and individual massage bubble seats, a series of relaxing and de-contracting water streams, water curtains and water jets, as well as large rest areas. It stimulates the circulation, relaxes the muscles and produces a feeling of absolute relaxation and wellness. It is located below the columned courtyard and it is illuminated by a soft light of the roof. Spaces designed for relaxation and benefit from the properties of mineral-medicinal water in their comfortable and innovative facilities. Anti-stress treatments due to its great sedative effect. Treatment for rheumatic diseases because of its analgesic effect. Weight loss therapies for its important diuretic effect. Sodium elimination, with preventive and protective effects of cardiovascular risk factors. Guided tour in groups of 6-8 people where damp and dry spaces are combined with contrast of coldness and heat to achieve blood stimulation, thermal regulation or elimination of toxins among others. Treatments offered include: Therapeutic Massages, H2o Collection including Baths, Facial and Body Treatments. The Spa offers the possibility of living different thermal experiences lasting between 1 and 3 hours depending on the chosen ritual : Relax Beauty Moms, Shared , Eastern , Healthy and Essential. Fitness, Gym, Bicycle Rental and Paddle Court are available. Medical Services available such as Medical, Physiotherapy and Dietician-nutritionist consultations.

The gastronomic space of Hotel Castilla Termal Burgo de Osma has a restaurant service, where you will find the best products in the cuisine of Soria.

Claustro Termal has 24 treatment rooms including rooms for couples. Services include massages, facials, body wraps, and body scrubs. The spa is equipped with hot springs/mineral springs and Turkish bath/hammam. A variety of treatment therapies are provided, including aromatherapy and hydrotherapy.