The triglyph altar to the east of the sixth-century temple of Hera Akraia was only cursorily published in the first volume of Perachora (pp. 89–91; pls. 6 and 130). No real discussion was offered of the columns, apparently Ionic, placed carefully around it, which R. Martin considers, not unreasonably, evidence for a sort of baldacchino, surely one of the earliest known (see note below). I was lately asked to study altar and columns in more detail, and visited Perachora in March 1965 for the purpose. I concluded that the altar had no ritual connexion with the stoa to the east of it, but was a typical archaic temple-altar, its length (pace Perachora i. 89, which makes it but 5 metres long) originally comparable to the width of the temple. So it could be restored as about 8 metres long, or, including the columnar surround, about 10 metres. The pair of columns on its north side are nearly aligned with the temple's north wall, and it is possible, with four columns spaced at comparable intervals on the west side, to obtain an alignment nearly as close between its south side and the temple's south wall.