The Gigantomachy
The War Between Gods and Giants
The Gigantomachy was the battle between the Olympian gods and the Giants — enormous, powerful beings born from Gaia (Earth) when the blood of the castrated Uranus fell upon her. Unlike the Titanomachy, this war could only be won with the help of a mortal hero, making it one of the most dramatic conflicts in Greek mythology.
Why the Giants Rose
Gaia was furious at Zeus for imprisoning her children the Titans in Tartarus. She gave birth to the Giants specifically to challenge the Olympians. The Giants were fearsome warriors — they had serpent legs, could hurl mountains, and were immune to the weapons of any immortal. Only a mortal could deliver the killing blow against a Giant, which is why the gods needed Heracles.
The Battle
Each Olympian faced a specific Giant opponent. Zeus hurled thunderbolts at Porphyrion, the king of the Giants, who had attempted to assault Hera. Athena fought and defeated Enceladus, burying him under the island of Sicily — the ancient Greeks believed his thrashing caused earthquakes and that Mount Etna's eruptions were his fiery breath escaping. Poseidon broke off a piece of the island of Cos and threw it at Polybotes, creating the island of Nisyros.
Apollo shot Ephialtes in the left eye while Heracles shot him in the right. Dionysus killed Eurytus with his thyrsus. Hephaestus poured molten iron on Mimas. Hecate burned Clytius with her torches. In each case, Heracles delivered the final mortal blow that actually killed the Giant, fulfilling the prophecy that the gods could not win without a human ally.
Legacy
The Gigantomachy was one of the most popular subjects in Greek art, appearing on the Parthenon, the Great Altar of Pergamon, and countless vases. It represented the triumph of civilization over chaos, of order over brute force. The Greeks saw it as a metaphor for their own struggles against foreign invaders and internal disorder — the forces of reason and culture defeating the raw, destructive power of nature.
Where and how the war was fought
The fullest narrative is in Apollodorus's Library, and many details that are often taken as universal come from his account alone. He sets the war at Phlegra, "the burning place", which later writers identified with Pallene, the westernmost prong of the Chalcidice peninsula in northern Greece. Others placed it in the volcanic Phlegraean Fields near Naples. According to Apollodorus, Gaia learned that the Giants could be killed only with the help of a mortal, so she searched for a herb that would protect them even from mortals. Zeus forbade Dawn, the Moon and the Sun to shine, cut the plant himself before she could find it, and had Athena summon Heracles.
Several episodes tend to be left out of short retellings:
- Alcyoneus could not die while he stood on the land where he was born. Heracles shot him, and when the Giant revived on touching the ground, Heracles followed Athena's advice and dragged him outside Pallene, where he died.
- Porphyrion attacked Heracles and Hera. Zeus filled him with desire for Hera, and as he tore at her robes Zeus struck him with a thunderbolt and Heracles finished him with an arrow.
- Pallas was flayed by Athena, who used his skin to protect her own body. This is one ancient explanation for her epithet Pallas, though there were others.
- Hermes wore the helmet of Hades and killed Hippolytus. Artemis killed Gration, and the Fates beat Agrius and Thoon to death with bronze clubs.
Older and different versions
Apollodorus wrote centuries after the myth took shape, and earlier sources disagree with him in places. Hesiod's Theogony says only that the Giants sprang from the blood of Uranus falling on Gaia, "gleaming in armour, holding long spears". He tells no story of a war. Homer's Odyssey mentions a Giant king, Eurymedon, who "destroyed his reckless people", which suggests a tradition in which the Giants were wiped out for arrogance. Pindar is one of the earliest surviving poets to tie Heracles explicitly to the battle at Phlegra. In his First Nemean Ode, the seer Tiresias foretells that the baby Heracles will shoot Giants there and their shining hair will be fouled with earth.
The Giants are also often confused with other enemies of the gods. Otus and Ephialtes, the Aloadae, tried to pile Mount Ossa on Olympus and Pelion on Ossa to reach the sky. That is a separate story in Homer, though later writers merged it into the Gigantomachy. Roman poets, Ovid included, tended to blur Giants and Titans together. Ovid's Metamorphoses has the Giants stacking mountains until Jupiter's thunderbolt flattens them, after which Earth makes a new, violent race of humans from their blood. For the earlier war, see the Titanomachy. Gaia's final challenger after the Giants was Typhon.
What the Giants looked like
A common mistake is to assume the Giants always had snake legs. In Archaic and Classical art they are almost always shown as human warriors in hoplite armour, with helmets, shields and spears, sometimes throwing rocks. The best surviving early example is the north frieze of the Siphnian Treasury at Delphi, from around 525 BCE. Its sculptors carved names beside the figures and showed a goddess's lion-drawn chariot, with the lions mauling a Giant. Serpent-legged Giants became common only in the Hellenistic period. The most famous are on the Great Altar of Pergamon, from the second century BCE and now in Berlin, where coiling Giants fight Zeus, Athena, Hecate and many lesser gods.
At Athens the battle was part of religious life. The robe woven for Athena's statue for the Panathenaic festival traditionally showed the Gigantomachy, and the east metopes of the Parthenon showed the gods fighting the Giants. Euripides' Ion has a chorus of Athenian women admiring a Gigantomachy on the temple of Apollo at Delphi, picking out Athena with her Gorgon shield and Zeus with his thunderbolt.
Ancient sources
- Apollodorus, Library 1.6.1–2: the most complete account, with Phlegra, Gaia's herb, Alcyoneus, Porphyrion and the list of individual duels.
- Hesiod, Theogony 185–186: the birth of the armoured Giants from the blood of Uranus.
- Homer, Odyssey 7: mentions the Giant king Eurymedon who led his people to destruction, and calls the Phaeacians close kin to the gods, like the Cyclopes and Giants.
- Pindar, Nemean 1: Tiresias foretells Heracles' part in the battle on the plain of Phlegra.
- Euripides, Ion: the chorus describes a Gigantomachy carved on Apollo's temple at Delphi.
- Ovid, Metamorphoses 1: the Giants pile mountains toward heaven and are struck down by Jupiter; humans spring from their blood.
Frequently asked questions
What is the difference between the Titanomachy and the Gigantomachy?
The Titanomachy was Zeus's war against the older generation of gods led by Cronus, and it brought him to power. The Gigantomachy came later. It was a rebellion by Gaia's monstrous sons, the Giants, against the established Olympians.
Why did the gods need Heracles?
In Apollodorus's version, an oracle said the gods could not destroy the Giants without a mortal ally. Heracles was the mortal they chose, and he finished off the Giants the gods had wounded.
Were the Giants actually giant?
Not necessarily. The Greek word gigantes was connected in antiquity with Gaia, as if it meant "earth-born", and early art shows them as human-sized warriors. Their great size and serpent legs were emphasised more in later periods.
Which Giant was buried under Mount Etna?
Most sources say Enceladus, crushed under Sicily by Athena. Some writers put Typhon under Etna instead, and Pindar describes Typhon pinned beneath it.