Hotel Balneario Aduana, Historic thermal hotel in Urduña, Spain.
Hotel Balneario Aduana is a neoclassical building in Urduña that houses thermal water treatments and modern rooms fitted with hydromassage baths. The property mixes its historic structure with current wellness facilities, creating a place where visitors can stay and use spa services.
The building began as a customs house in the 18th century, processing merchants traveling between Bilbao and Castile before later becoming a thermal hotel. This shift reflects how older structures in the region found new purposes.
The restaurant serves traditional Basque food and pintxos made with local ingredients, showing how the kitchen reflects what people in this region have cooked for generations. Walking through the dining areas, you sense the connection between the food and the place where it comes from.
Free WiFi is available throughout the building, and parking is provided on-site for guests. Spa treatments should be reserved ahead of time to ensure availability for your visit.
Water from the Muera de Arbieto spring nearby supplies the mineral-rich water used for treatments at the hotel. This natural source has drawn people to the area for generations seeking its therapeutic properties.
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