The church of S. Tommaso was probably built over an existing, and perhaps elementary, sacred building, dedicated to water worship, judging by the archaic well to be found down in the crypt and a basin, now used for holy water.
The building is attributed to the same craftsmen of S.Clemente a Casauria and was finished in 1202.
The main façade has two minor doors flanking the main entrance above which is a great, ten spoke rose window. The architrave of the main door is fully sculpted with figures of Christ and the Apostles.
The interior has a nave which is apsidated by two rows of pillars, and two aisles. A special mention mast be given to a slim square pillar situated on the right, set on a plinth base and surmounted by a capital and an abacus decorated with palms and anthropomorphous motifs.
The monument is completed by several votive paintings, an ancient (15th century) crucifix and a small crypt in the centre of which there is a well of spring water, an object of worship.
The monument is completed by several votive paintings, an ancient (15th century) crucifix and a small crypt in the centre of which there is a well of spring water, an object of worship.