loading ...Acquasanta Terme is a comune (municipality) in the Province of Ascoli Piceno in the Italian region Marche, located about 90 km south of Ancona and about 15 km southwest of Ascoli Piceno. It is located in the Gran Sasso e Monti della Laga National Park. Main sights the medieval castle Castel di Luco (14th century), characterized by an unusual elliptical plan. the Ponte di Quintodecimo and Ponte Romano, Roman bridges crossing which were part of the Via Salaria.