|Summary:||Altar with a colonnade; in the harbor area, west of the L-shaped stoa near the harbor, and abutting the Geometric Temple of Hera Akraia.|
|Date:||ca. 550 BC|
Including columns: ca. 10 m x ca. 8 m; column height: ca. 3 m.
Rectangular altar surrounded by 8 Ionic columns.
The altar is named for the triglyphs and metopes which decorated its sides. The Ionic columns possibly supported a canopy. The altar is contemporary with the 6th century B.C. Temple of Hera Akraia, but the colonnade was probably added ca. 400 B.C.