The Hadrianic Tondi on the Arch of Constantine

The Arch of Constantine, dedicated on 25 July AD 315, stands in Rome between the Colosseum and the Palatine Hill at what was once the beginning of the Via Triumphalis. Its attic inscription commemorates Constantine’s victory at the Battle of the Milvian Bridge on 28 October AD 312 over the tyrant Maxentius who had ruled Rome since AD 306. It is one of the largest surviving Roman triumphal arches.

The North side of the Arch of Constantine, Rome.

Standing 21 metres high and 25.6 m wide, the Arch is heavily decorated with parts of older monuments. While the monument’s structure was carved specifically for Constantine, most of its decorative sculptures and reliefs can be traced to the times of Trajan, Hadrian and Marcus Aurelius.

The statues of Dacians on top were taken from the Forum of Trajan. The relief panels between the statues were created for Marcus Aurelius. The eight roundels (tondi) were from a single monument dedicated to Hadrian.

Colour coding showing spolia used in the Arch of Constantine (south side):
Red: Trajan
Blue: Hadrian
Green: Marcus Aurelius

The eight large medallion reliefs (tondi) of the Hadrianic period, all in white Luna marble, decorate the north and south sides of the Arch. Their uniform circular shape of about 2.40 meters in diameter and common theme indicates that they originally belonged to a now-lost monument in honour of Hadrian (possibly a tetrapylon). The tondi are arranged in pairs, two on each side above the lateral archway. They depict Hadrian, Antinous and other members of the court hunting wild animals and sacrificing to four different deities.

The first pair of roundels on the south side depicts Antinous, Hadrian, an attendant and a friend of the court (amicus principis) departing for the hunt (left tondo) and sacrificing to Silvanus,  the Roman god of the woods and wild (right tondo).

Tondi Adrianei on the Arch of Constantine, Southern side – left lateral, LEFT: Departure for the hunt, RIGHT: Sacrifice to Silvanus.

The first pair of roundels on the south side depicts a bear hunt (left tondo) and a sacrifice to the goddess of hunting, Diana (right tondo).

Tondi Adrianei on the Arch of Constantine, Southern side – left lateral, LEFT: Bear hunt, RIGHT: Sacrifice to Diana.

On the north side, the left pair depicts a boar hunt (left tondo) and a sacrifice to Apollo (right tondo). The figure on the top left of the boar hunt relief is clearly identified as Antinous, while Hadrian, on horseback and about to strike the boar with a spear, was recarved to resemble the young Constantine. The recarved emperor in the sacrifice scene is likely to be Licinius or Constantius Chlorus.

Tondi Adrianei on the Arch of Constantine, Northern side – left lateral, LEFT: Boar hunt, RIGHT: Sacrifice to Apollo.

On the north side, the right pair depicts a lion hunt (left tondo) and a sacrifice to Hercules (right tondo). The figure of Hadrian in the hunt scene was recut to resemble the young Constantine, while in the sacrifice scene, the recarved emperor is either Licinius or Constantius Chlorus. The figure on the left of the hunt tondo may show Antinous as he was shortly before his death, with the first signs of a beard, meaning he was no longer a young man. These tondi are framed in purple-red porphyry. This framing is only extant on this side of the northern facade.

Tondi adrianei on the Arch of Constantine, Northern side – right lateral, LEFT: Lion hunt, RIGHT: Sacrifice to Hercules.

Hadrian was a tireless hunter. He spent most of his youth in Italica occupied with this activity and continued hunting wherever he went as Emperor. These reliefs testified to his dedication to hunting, as also stated in literary sources.

“He [Hadrian] is said to have been enthusiastic about hunting. Indeed, he broke his collar-bone at this pursuit and came near getting his leg maimed; and to a city that he founded in Mysia he gave the name of Hadrianotherae. However, he did not neglect any of the duties of his office because of this pastime.” Dio 69.10.2-4

In Mysia, Hadrian even founded a new city which he named Hadrianotherae (literally meaning ‘Hadrian’s hunts’), to commemorate a particularly successful bear hunt. The head of a she-bear appears on coinage minted in Hadrianotherae.

Coin of Hadrian minted in Hadrianotherae, Mysia (117-138 AD) – Courtesy of

A poem, so-called the “Lion Hunt Poem”, composed by the Alexandrian poet Pankrates, celebrated a lion hunt by Hadrian and Antinous, which took place in the Libyan desert in AD 130  (read it here).

The Emperor is said to have saved Antinous’ life during the hunt. Finally, a medallion struck in 131–132 shows Hadrian on horseback hunting a lion and carrying the legend VIRTVTI AVGVSTI.

Revers of Medallion depicting Hadrian on horseback striking a lion with a spear with the legend VIRTVTI AVGVSTI.

In a time of peace, the imagery of Hadrian’s hunts was used as an expression of power and a demonstration of his virtues.


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