The church of St. Maximus the Confessor is located at the south-easternmost corner of the top surface of the Katskhi pillar. A small simple hall church design with the dimensions of 4.5 × 3.5 m., it is a modern restoration of the ruined medieval church built of stone. Beneath and south of the church is an elongated rectangular crypt with the dimensions of 2.0 × 1.0 m., which had served as a burial vault.