Eleusis: The Secret That Kept for a Thousand Years

Every autumn, for roughly a thousand years, crowds walked some twenty kilometres west from Athens along a road called the Sacred Way to Demeter’s sanctuary at Eleusis. They had fasted. They carried torches and shouted the name of a god called Iacchus. After dark they filed into a vast hall to see something, and then they went home and said almost nothing about it, ever. Farmers, generals, enslaved household workers and eventually Roman emperors kept the same secret. In a culture that wrote down nearly everything, from recipes to curses, that silence is the loudest fact about the Eleusinian Mysteries.

Eleusis today is Elefsina, a working town of shipyards and refineries on the Saronic Gulf, and in 2023 it took its turn as a European Capital of Culture. The ruined sanctuary sits among the cranes like a scrap pasted into the wrong collage. It is a fitting place for an honest stocktake: what we can actually say about the Mysteries, and what we only like to think we can.

The story anyone could hear

The myth was never the secret. Its fullest early telling is the Homeric Hymn to Demeter, probably composed in the seventh or sixth century BCE. Persephone, Demeter’s daughter by Zeus, is gathering flowers when she reaches for a narcissus that Earth has grown as bait. The ground splits and Hades carries her off in his golden chariot. Her mother searches for nine days with torches, neither eating ambrosia nor bathing. On the tenth the Sun, who sees everything, tells her the truth: Zeus approved the match.

Disguised as an old woman, the goddess drifts to Eleusis and sits by a well. The daughters of the local lord, Celeus, take her home to nurse their baby brother, Demophon. She sits mute in the house until a servant called Iambe tells crude jokes and coaxes a smile from her. She refuses red wine and asks instead for barley and water mixed with pennyroyal – the kykeon. At night she lays the baby in the fire to burn away his mortality, until his mother walks in, screams, and ends the experiment.

Unmasked, Demeter orders a temple built. Then she sits inside it and keeps the seed in the ground. Nothing sprouts; humans starve and the gods lose their sacrifices. Zeus relents and sends Hermes to fetch Persephone, but Hades has slipped her a pomegranate seed, so she must spend a third of each year below. Reconciled, Demeter lets the fields bear again and teaches the leading men of Eleusis her rites – rites, the poet warns, that no one may break, pry into or speak aloud.

Blessed is the one on this earth who has seen these things; but the uninitiated, who has no share in the rites, never has a like portion once dead, down in the gloom and the dark.

Homeric Hymn, To Demeter 480–482 (our rendering)

What happened in daylight

A surprising amount of the festival was public. The Greater Mysteries fell in the Athenian month of Boedromion, roughly our September–October, after a preliminary rite at Agrai beside the Ilissos in early spring. A few days before the main event the sacred objects, the hiera, were brought from Eleusis to Athens under escort. A formal proclamation barred anyone whose hands were stained with blood or whose speech was not Greek. Then came the day remembered by its cry, ‘To the sea, initiates!’, when each candidate washed in the sea along with a piglet that would be sacrificed afterwards.

The procession back to Eleusis followed the image of Iacchus, a youthful god of the festival shout whom some Greeks identified with Dionysus. The priesthoods were hereditary: the hierophant, the one who ‘shows the holy things’, came from the family of the Eumolpidae, and the torchbearer from the Kerykes.

The door was open wider than one might expect. Women could be initiated, and so could enslaved people. First-timers were mystai; those who returned in a later year could become epoptai, ‘watchers’, which suggests that the climax was something seen. The hall where it happened, the Telesterion, was rebuilt several times into a square forest of columns with tiered steps along the walls, big enough for thousands. Near its centre stood a small stone room usually identified as the Anaktoron, the ‘palace’ of the goddess.

The secrecy was enforced by law, not just by piety. In 415 BCE the brilliant and reckless Alcibiades was accused of parodying the Mysteries at private parties. Thucydides reports the charge, and Alcibiades was later condemned in his absence. Aeschylus, himself a son of Eleusis, was said to have been accused of revealing something on stage; Aristotle mentions his reported defence, that he had not known it was secret.

Into the hall, where the evidence thins

Inside the Telesterion our sources thin to a trickle, and most of what trickles through is late and hostile. Around 200 CE the Christian writer Clement of Alexandria quoted what he called the password of the initiates: ‘I fasted, I drank the kykeon, I took from the chest; having done the work, I put into the basket, and from the basket into the chest.’ The fasting and the drink match the Hymn neatly. What lay in the chest, and what ‘the work’ was, nobody knows.

A generation later Hippolytus of Rome claimed that the hierophant, at night amid a great fire, displayed an ear of grain reaped in silence and announced that the Lady Brimo had borne a holy child. It is vivid, but Hippolytus was reporting the claims of a sect he despised, at second or third hand.

Pagan witnesses talk around the event rather than about it. A remark credited to Aristotle, preserved by the much later writer Synesius, says that initiates were not meant to learn something but to undergo something and be put into a certain state of mind. Pindar called blessed the person who had seen ‘these things’ before going beneath the earth. Cicero, who had studied in Athens, wrote that the Mysteries taught people both to live with joy and to die with better hope.

Theories to hold loosely

The silence has proved irresistible. In 1978 the mycologist R. Gordon Wasson, the chemist Albert Hofmann, who first synthesised LSD, and the classicist Carl Ruck argued in The Road to Eleusis that the kykeon contained a psychoactive preparation of ergot, a fungus that grows on grain. It is a famous idea, but it rests on inference rather than ancient testimony, and critics point out how poisonous ergot can be. Others picture a sacred drama of Demeter’s torchlit search, ending in a sudden blaze of light, which some later writers seem to hint at. Neither theory can be checked against the one thing we lack: an insider’s account.

The nearest thing to one comes from a novel. At the close of Apuleius’s Golden Ass – the book that also sends Psyche to a temple of Ceres heaped with sheaves and sickles – the narrator is initiated into the mysteries of Isis. He approached the border of death, he says, and saw the sun blazing at midnight; then he politely declines to say more. That is the shape of every ancient report: intensity, light in darkness, a closed mouth.

What can be said about Eleusis with confidence is modest but real. The rites retold a mother’s loss and a daughter’s return. They were bound up with grain, the crop that goes into the ground and comes back. They involved fasting, darkness, torches and something shown. And they left people convinced that death would go better for them.

The end came slowly, then suddenly. Emperors including Hadrian and Marcus Aurelius had been initiated, but in the late fourth century CE imperial laws turned against pagan cult, and around 395 CE the Gothic army of Alaric came through and wrecked the sanctuary – a disaster the historian Eunapius connects with a grim prophecy by the last hierophant. The hall went dark. The secret, astonishingly, went with it.