Juturna

← Encyclopedia

Juturna — in Latin Iuturna — was the Roman goddess of springs, fountains, wells, and running water, a deity of the sweet water on which a city in a dry country depended. Where most Roman water cult was diffuse, spread across countless local springs and nymphs without name or face, Juturna had a fixed civic address at the heart of the state. Her name was attached above all to one place: the Lacus Iuturnae, a spring-fed basin in the Roman Forum, set immediately southeast of the temple of Castor and Pollux, whose water was drawn for sacrifice and held to heal. Here a goddess was not an abstraction floating above her element but the element itself — a particular cold spring rising through the floor of the city, gathered into a marble tank, and worshipped at the precise point where it surfaced.

The excavated precinct of the Lacus Iuturnae in the Roman Forum, with the spring-fed basin and the small shrine that housed the goddess’s image. — Lalupa, via Wikimedia Commons (CC BY-SA 4.0)

The pool in the Forum

What the excavator’s spade recovered tells the cult’s shape more plainly than any text. Beneath the demolished seventeenth-century church of Santa Maria Liberatrice, Giacomo Boni’s excavations of 1900 uncovered the sacred precinct as it had settled into its imperial form: a square collection basin of roughly five meters on a side, lined with marble and fed by springs welling up in its northern corners, with a rectangular pedestal standing in the water at its center. The whole installation was aligned with the temple of Castor beside it. Around the basin lay the furniture of the cult — an aedicula of cella and pronaos with two marble columns to house the goddess’s image, a well capped by a marble curb whose inscription records a restoration and dedication by one M. Barbatius Pollio, and the broken statue group of the Dioscuri and their horses that had once stood, it seems, in a small sanctuary on the pool’s northern edge. The waters had been venerated already in the archaic period, dressed in stone in the Republic, and clad wholly in marble under the emperors.

By the early fourth century the chambers behind the pool had been given over to the statio aquarum, the headquarters of the office that managed Rome’s water supply. The administrative fact carries the theology with it: the bureau that governed aqueducts and fountains kept its desk beside the spring-goddess’s tank, as though the practical mastery of water and its older sanctity were two faces of one concern. The commentator Servius, glossing Virgil, records that the water of the lacus furnished what was needed for the city’s public sacrifices, and that Juturna’s original spring — placed by him at the foot of the Alban Hills — was held so wholesome that its water was carried into Rome for the rites. Varro, in the De Lingua Latina, gives the working logic of the cult in a single derivation: the goddess’s name comes from iuvare, to help, and the sick on account of that name are accustomed to seek water from her spring. The etymology is a folk etymology, and modern philology does not stand behind it; but it states exactly what the cult was for. The spring was a goddess, and the goddess kept the water good.

The Dioscuri at the spring

The legend that grew around the pool tied it to the founding battles of the Republic. At the Battle of Lake Regillus — the engagement traditionally dated to the 490s BCE in which the young Republic put down the last bid of the exiled Tarquins — two beardless horsemen of more than mortal stature were seen fighting at the head of the Roman line. That same day the same two appeared in the Forum, announced the victory, and watered their steaming horses at Juturna’s spring before vanishing. They were recognized as Castor and Pollux, the divine twins; the temple raised beside the pool commemorated the epiphany, and its dedication is fixed by tradition to 484 BCE. The story welds three things into one site — a battle, a pair of gods, and a spring — and it explains why the Dioscuri’s broken statues surfaced in Juturna’s own basin, and why a later altar found in the water shows the twins flanked by their Olympian kin. The pool was where the gods had stopped to drink; the water that served the city’s altars was the water their horses had taken.

The three standing columns of the Temple of Castor and Pollux, raised beside the spring where the divine twins were said to have watered their horses. — Jean-Pol Grandmont, via Wikimedia Commons (CC BY 4.0)

The temple in the Campus Martius and the Iuturnalia

Juturna held a second house outside the old center. A temple to her stood in the Campus Martius, in the district later buried beneath the Largo di Torre Argentina, and tradition credited it to Gaius Lutatius Catulus, the naval commander who broke Carthage’s fleet off the Aegates Islands in 241 BCE and ended the First Punic War. The dedication of a water-goddess’s temple by an admiral is fitting in its own key: a victory won on water repaid to the deity of water. Her festival, the Iuturnalia, fell on the eleventh of January, and some hold that the day marked the dedication of this very temple. It was kept above all by those whose trades worked with water — the men who tended the aqueducts and the public fountains, for whom the goddess of the springs was the patroness of a craft. What the cult held, in its own terms, was simple and practical: clean water was a gift that could fail, and the giver was a person who could be thanked.

The sister of Turnus

Her fullest portrait is literary rather than ritual, and it darkens the figure considerably. In the twelfth book of Virgil’s Aeneid, Juturna is the sister of Turnus, the Italian prince fated to fall before Aeneas. The poet makes her a nymph whom Jupiter raised to immortality as recompense for the maidenhood he had taken from her, granting her with it the lordship of all the lakes and rivers of Latium. When the duel that is to settle the war approaches, Juno calls Juturna to her and sets her to save her brother. She does what a god of moving water can do: she slips into the press, throws down Turnus’s charioteer Metiscus, takes his shape, and drives the chariot in long evasive circles across the field, keeping her brother out of Aeneas’s reach; she works the Latin ranks to break the sworn truce. She holds the ending off as long as a sister’s love and a goddess’s craft can hold it. Then Jupiter sends down one of the Dirae, a fury in the form of a small shrieking bird, to beat about Turnus’s face and drain the strength from his limbs. Juturna knows the omen for what it is and what it forbids her. She tears her hair and beats her breast, crying out against the bargain that gave her deathlessness in exchange for her body — what use is an immortal life, she asks, if it only means she must go on living after her brother is gone, unable to follow him down into the dark or to die in his place. Then she sinks back into her own river and is lost to the poem. The passage is among the bleakest in the Aeneid: the goddess whose name is help is, at the one moment her help is wanted most, forbidden to give it, and her immortality has become the precise instrument of her grief.

Aeneas defeating Turnus, the brother Juturna could not save — oil on canvas by Luca Giordano, late 17th century. — Luca Giordano, via Wikimedia Commons (public domain)

How much of this Virgil inherited and how much he shaped is uncertain, and the question turns partly on the name. Virgil plays on two readings of it at once — Iuturna heard as the helper of Turnus, by way of iuvare, and Iuturna heard as Diuturna, the long-lasting or long-lived one, a spelling actually attested for the goddess. The pun binds the spring-nymph of the Forum to the grieving sister of the epic so tightly that the two may be the poet’s own weld. The likelier history is that an old and faceless Italic water-numen, with little narrative of her own, was drawn into the Trojan matter because her name lay so close to Turnus’s, and that the sister, the rape, the gift of immortality, and the lament are the thickening of a literary tradition around a thin cultic core.

The record and the name

Beyond Virgil, the antiquarian record keeps her in fragments. Varro fixes the etymology; Servius preserves the note on the salubrious spring and the sacrificial water; Ovid’s Fasti, the poet’s calendar of Roman observance, sets her in the January rites. A separate strand of mythography, reported by the Christian apologist Arnobius in the Adversus nationes, makes Juturna the wife of Janus and the mother of Fons, the god of fountains — a genealogy that simply restates her nature, marrying the deity of beginnings and doorways to the deity of springs and producing the spring-god as their child. Older still, the tradition placed her first home not in the Forum at all but in the country, by the river Numicius near Lavinium, among the never-failing springs of the Latin plain, before her cult was drawn into the city.

Modern scholarship has sorted these layers without dissolving them. Georg Wissowa, in his Religion und Kultus der Römer, judged Juturna a genuine and ancient Italic water deity whose slender mythology was thickened, and in part invented, in the later literary tradition — the assessment that still frames her. The hard archaeology of the precinct has been published in full in Eva Margareta Steinby’s corpus of the Lacus Iuturnae, which sets Boni’s finds beside the textual sources and confirms the long arc the spade had suggested: a cult older than the legends that explain it, monumentalized as Rome grew rich, and kept alive at the same site across a thousand years.

The threads of that record are gathered in the standard topographical and reference scholarship. The precinct itself — the basin, the aedicula, the puteal, the Dioscuri group, and the rooms of the water-board — is cataloged in Platner and Ashby’s Topographical Dictionary of Ancient Rome and re-examined against the excavated material in the Digital Augustan Rome record; the goddess’s older shape — the springs of the Numicius, the Iuturnalia, the Campus Martius temple, the Janus-and-Fons genealogy — is set out in the standing reference notice of the 1911 Encyclopædia Britannica. Read together, the three registers rarely meet. The dirt attests a spring revered from the archaic city onward; the antiquarians attest a helping water-goddess of healing and sacrifice; the poet attests a sister whose immortality is a wound. Each is true on its own ground.

What survives in all three is the one paradox the name carries. Iuturna is help — the cold clean water that revives the sick, that washes the altars, that the gods themselves stop to drink. Yet the goddess of help, made deathless, is shown at the exact pitch of her power unable to help the one person she would give that deathlessness away to save. The spring goes on rising. The water that revives every stranger who comes to it cannot reach the brother it most wanted to keep, and the immortal who tends it must watch him die and go on tending it after.

→ Related: Faunus · Pax · Liber · Glaucus · Jupiter · Salus · Fortuna · Diana · Vesta · Juno · Saturn · Anna Perenna · Consus