Soothing — neither hot nor cold, perfect balance.
Rich in active gases or metals — a strong mineral character.
Soft water — natural, classic buoyancy.
H2otel Congress and Medical Spa is a leading thermal wellness hotel in Unhais da Serra in the Covilhã municipality of the Castelo Branco District, Portugal, drawing on sulfurous mineral waters from the Serra da Estrela — the highest mountain range in continental Portugal and the source of Portugal's only glaciated landscape — that emerge at approximately 22°C and are used in a comprehensive medical spa programme recognised by the Portuguese Institute of Hydrology. The hotel, designed as a contemporary architectural statement set within the mountain valley landscape of the Serra da Estrela Natural Park, integrates thermal medical treatments with conference facilities and luxury accommodation in the emerging Unhais da Serra thermal cluster, historically known since at least the 16th century for its sulfurous spring use by local populations. The surrounding Serra da Estrela Natural Park landscape of granite plateaux, glacial lakes (including Torre at 1,993 m, Portugal's highest point), traditional sheepherding communities, and the famous Serra da Estrela dog breed creates a natural grandeur that uniquely frames this Portuguese thermal medical spa destination.