The Temple of Hera, or Heraion, is an ancient Archaic Greek temple at Olympia, Greece, that was dedicated to Hera, queen of the Greek gods. It was the oldest temple at Olympia and one of the most venerable in all Greece. It was originally a joint temple of Hera and Zeus, chief of the gods, until a separate temple was built for him. It is at the altar of this temple, which is oriented east-west, that the Olympic flame is lit and carried to all parts of the world. The torch of the Olympic flame is lit in its ruins to this day. The temple was built in approximately 590 BC, but was destroyed by an earthquake in the early 4th century CE.
The Heraion at Olympia, located in the north of the sacred precinct, the Altis, is one of the earliest Doric temples in Greece, and the oldest peripteral temple at that site, having a single row of columns on all sides. The location may have previously been the place of worship of an older cult.
The temple was erected in around 590 BC, most likely as a dedication by the Triphylian polis of Skillous. It is suggested that this dedication by a nearby city would originally have been in honour of the main patron deity at Olympia, Hera, and rededicated to include Zeus, her husband and brother, at a later point—perhaps after 580 BC when control of Olympia had passed from Triphylia to Elis, or in the 5th century BC when the famous Temple of Zeus was built. The temple was closed during the persecution of pagans in the late Roman Empire.
In the Archaic Greek period, the temple stored items important to Greek culture, and other offerings of the people.
The temple measures 50.01 by 18.76 m (164.1 by 61.5 ft) at the level of the temple platform, the stylobate. It was longer and narrower than the common architecture of the previous era, though the elongated proportions are a common feature of early Doric architecture. It has a peripteros — a colonnaded perimeter — of 6 by 16 columns which were originally wooden because those were the materials available at the time.
The travel writer Pausanias described it in his Description of Greece:
A long-standing theory holds that the columns were only gradually replaced with stone ones due to the wood rotting out, and other natural and man-made events. In the second century AD, one of the two columns in the opisthodomos was still oak. As the replacements took place at widely differing periods between the Archaic and Roman periods, and were carved under the influence of their respective contemporary styles, they differ considerably in proportions and detail. This becomes apparent in the columns' capitals, as each one is slightly different from the next. Another theory holds that the columns are so different, not because wooden columns were being replaced, but because various workshops erected different stone columns at the same time. Perhaps each style represented the major city-states or private donors for whom these builders were working, as Olympia was a pan-Doric sanctuary. No remains of the entablature above the columns were found, but are believed to have been wooden.
The walls had a bottom course of stone with a mudbrick superstructure, another feature typical of early Greek architecture. Other parts of the temple were made from limestone, unbaked bricks, and terracotta tiles. Holes in the protrusions at the ends of the walls—antae—indicate that a wooden cladding protected them from the elements. The temple had a Laconian-style roof; its pediments were decorated with disk acroteria of 2.5 m (8.2 ft) diameter, each made in one single piece (one is on display at the Archaeological Museum of Olympia).
The opisthodomos was also used to store numerous other objects, including many further statues of deities and votive offerings of Zeus and Hera. Among the few of these objects to survive was a statue of Hermes holding baby Dionysos, which is generally identified as the Hermes of Praxiteles, one of the most important preserved examples of Greek sculpture.
Pausanias also witnessed a small ivory-clad couch (purportedly once belonging to Hippodameia), the bronze disc of Iphitus of Elis (commemorating the truce that according to legend founded the Olympic games), and the table on which the olive wreaths for the victors were displayed during the Olympic Games.
Pausanias recounts a number of objects beside the cult statues:
The table was made with ivory and gold, and was sculpted by Colotes. It displayed the figures of Hera, Zeus, Rhea, Hermes, Apollo, and Artemis in front of the Games. On one side was Asclepius and his daughter Aceso, and Ares and the Olympian spirit of contest Agon. On the other were Pluto, Dionysos, Persephone and nymphs. The table bore the olive wreaths awarded to victors at the ancient Olympic Games
Main article: Hermes and the Infant Dionysos
The temple contained a cedar chest (Ancient Greek: κυψἐλη, romanized: kypsele) in which Cypselus, the tyrant of Corinth was reportedly hidden by his mother. The chest was reportedly dedicated at Olympia in gratitude to the gods, and so, according to folktale, Cypselus gained his name. According to Dio Chrysostom in the 1st century AD, the chest was found in the opisthodomos. The chest had various mythological figures inscribed on it in ivory, gold, or in the wood of the chest itself. Accompanying many of the figures were inscriptions in Corinthian (Doric) indicating their identity, some of the text being written boustrophedon in alternating directions.
Set apart from the temple at its eastern side is the Altar of Hera, where the Olympic flame has been lit since 1936 using a parabolic mirror to concentrate the rays of the sun.
The temple was depicted on the reverse of the Greek 1000 drachmae banknote of 1987–2001.
The Jasmine Hill Gardens at Wetumpka, Alabama (United States), contained a full-sized replica of the (ruined) Temple of Hera.