|Summary:||Small temple-like building; on the north side of the Sanctuary of Zeus (Altis), the ninth treasury from the west, and fourth from the east on the treasury house terrace. Altar on its west.|
|Date:||ca. 550 BC - 525 BC|
Cella opening south onto Doric columned pronaos distyle in antis.
Identification uncertain. Altar to the west has been identified as that of Rhea or Gaia.