In the sanctuary of Apollo at Delphi, on the slopes of Parnassus, the Greeks kept a special stone: the omphalos, a word meaning "navel". According to tradition, that stone marked the exact centre of the world. It was neither a gem nor an idol in the usual sense, but an object charged with cosmic meaning, which made Delphi the point from which everything was measured.
Zeus' two eagles
The best-known myth tells that Zeus, wishing to find the centre of the earth, released two eagles from opposite ends of the world, one from the east and one from the west. The two eagles flew towards each other at the same speed and met above Delphi. At that point the stone that kept the memory of the event was placed.
The tale expresses a profound idea: the centre is not an arbitrarily chosen place, but the point of balance between extremes. It is where opposing forces meet that order is established. Some depictions of the omphalos indeed show it flanked by two eagles, in memory of this myth.
The stone of Kronos
Another tradition links the omphalos, or a stone kept beside it, to the myth of Zeus' birth. Kronos, father of the gods, devoured his own children for fear of being overthrown. When Zeus was born, his mother Rhea wrapped a stone in swaddling clothes and gave it to Kronos, who swallowed it believing it to be the infant. Zeus, raised in secret, later forced his father to disgorge his siblings and the stone itself.
The geographer Pausanias, who visited Delphi in the second century AD, says he saw a stone of no great size that was anointed with oil every day and, during festivals, wrapped in unworked wool. The inhabitants told him it was the stone given to Kronos in place of his son. In this account the stone becomes the symbol of the passage from one cosmic age to another: the substitute that saves the newborn god and inaugurates a new order.
The shape and the net
The omphalos is depicted as an ovoid or conical stone, rounded at the top. Its surface is often covered by a net of interwoven bands or fillets, called agrenon. The Delphi museum holds a marble omphalos, considered a copy from a later period, which shows precisely this carved lattice.
The net has prompted many interpretations. It may recall the swaddling bands in which Rhea wrapped the stone, or the woollen fillets used in rites, or again a net binding the centre to the rest of the world. In any case it turns the stone into a clothed, tended object, treated as a living presence.
Delphi and the oracle
The omphalos stood at the heart of the sanctuary, near the place where the Pythia, Apollo's priestess, uttered her oracles. The link is no accident. The centre of the world was also the place where the god's word could be received, the point of contact between the visible and the invisible. Those who came to Delphi to consult the oracle arrived, symbolically, at the centre of everything.
According to myth, before Apollo the place was guarded by the serpent Python, whom the god killed to found his own sanctuary. Some traditions also relate the omphalos to the serpent's tomb, thus joining the centre of the world to a victory of light over chthonic forces.
Other navels of the world
The idea of a centre of the world marked by a stone does not belong to Greece alone. Many cultures have had their own "navel":
- in Jewish tradition, the rock on the Temple Mount in Jerusalem has been regarded as the foundation from which the world was created;
- in Roman tradition, the mundus was a ritual pit joining the world of the living to that of the dead, and the Miliarium Aureum in the Forum symbolically marked the point from which the roads of the empire set out;
- in many traditional cultures the centre of the village or temple is marked by a pole, a tree or a stone.
The historian of religions Mircea Eliade devoted many pages to this theme, which he called the symbolism of the centre: the idea that sacred space is organised around a point where heaven, earth and underworld meet.
The centre as inner experience
Symbolically, the omphalos is not only a geographical place. It is the image of an inner centre, the point of balance in which a person gathers themselves. The navel is the sign of the original bond with the mother, the memory of nourishment received before birth. Finding one's centre means remembering that bond with the origin and, at the same time, finding a stable point from which to take one's bearings.
| Aspect | Meaning |
|---|---|
| navel | origin, nourishment, primordial bond |
| meeting of the eagles | balance between opposites |
| stone of Kronos | passage from one cosmic order to another |
| closeness to the oracle | contact between visible and invisible |
In short
- The omphalos was the stone that marked the centre of the world at Delphi.
- According to myth, two eagles released by Zeus met right above Delphi.
- Pausanias saw a stone anointed with oil, believed to be the one swallowed by Kronos in place of Zeus.
- The omphalos is one of the clearest examples of the symbolism of the centre, common to many traditions.