|Summary:||Narrow peripteral temple; at the northern end of the Sanctuary of Apollo Thermios.|
|Date:||ca. 630 BC - ca. 610 BC|
Foundation: ca. 40 m x ca. 13 m.
Doric peripteral temple, 5 x 15 columns, with two-aisled cella opening south directly onto the peristyle. The first of the 10 interior columns stood in the space between the antae of the cella. Opisthodomos with 2 columns on the north.
Built over the remains of Megaron B. The wooden columns were later replaced by stone. Northwest of the temple may have been a small Temple of Apollo Lyseios, and to the east, a small Temple of Artemis.