Alhama de Aragon is a spa town located in the province of Zaragoza, Aragon, Spain, situated on the river Jalon, a tributary of the Ebro.
Principal industries are the balnearios (spa hotels) and a lighting factory. There are extensive fruit farms and some wine-making in the area.
The town is served by railway services to Arcos de Jalón and Calatayud, where there is a connection to the high speed AVE trains between Madrid and Barcelona.
The town has been known for over two thousand years, primarily because of the hot springs of the area. The Roman poet Martial refers to its pre-Roman name as Congedus. A unique thermal lake of nearly two hectares is open throughout the year in the grounds of Balneario Termas Pallares. The water is a constant temperature of 34 deg C. The famous Cistercian abbey of Monasterio de Piedra with its water gardens lies approximately 25 kilometres to the south-west. The city of Calatayud which has famous mudéjar church towers is about 35 kilometres to the north east. Other examples of mudejar art can be found in neighbouring villages.