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Grotta del Mitreo

Duino

The Rock Shrine

Every Saturday morning (10 a.m.–12 p.m.) by appointment.

Just a few kilometers north of Trieste, perched above the steep Adriatic coast, lies an unassuming site that ranks among the most fascinating relics of Roman antiquity: the Grotta del Mitreo in Duino-Aurisina.

This sanctuary of the exclusive cult of Mithras is located in a natural cave that was transformed into a sacred space nearly 2,000 years ago. A place of silence that has retained a special atmosphere to this day.

Mithras and the Bull

The Centerpiece

In the center of the cave stands a stone altar featuring a relief depicting the most important scene in the cult of Mithras: the Tauroctony, the slaying of a bull by Mithras.

This depiction is not a sacrifice in the traditional sense, but rather a powerful symbol of renewal, life, and cosmic order. Accompanying figures-often a dog, a snake, or a scorpion-point to deeper meanings that have not yet been fully deciphered.

Visitor

Information: Grotta del Mitreo

The Grotta can only be visited by appointment and, since it is an archaeological site, only if a few rules are followed:

Grotta del Mitreo

Open every Saturday morning from 10:00 a.m. to 12:00 p.m. – by appointment only (must be made at least one day in advance).

To avoid crowds, the following rules apply:

  • Access is only permitted with a mandatory reservation through the contact points (Email: flondar(at)libero.it, Tel.: +39 339 6908950
  • Wearing a mask is mandatory
  • Visitors must walk in single file, maintaining a distance of 2 meters
  • Entry to the cave is limited so that a minimum distance of 1 meter
  • can be maintained at all times
  • In addition, tours for individuals, groups, and school classes are available upon request. These must be requested at least 7 days in advance.
  • It is recommended that visitors wear appropriate athletic footwear and bring plenty of water on warm days.

Further information, if necessary, can be found at www.flondar.it

Sun worshippers

The cult of Mithras in ancient Rome was a mystery religion or secret cult reserved exclusively for men, which became particularly popular among soldiers, officials, and merchants in the 2nd and 3rd centuries AD. It was once the main rival of early Christianity. With the rise of Christianity under Theodosius, the cult of Mithras was supplanted.

The god Mithras was usually depicted wearing a Pythian cap. It was not until later, in the 3rd and 4th centuries, that the depiction with a radiant crown became established to reinforce the official significance (SOL INVICTUS) of the sun cult.

Further information on Mithraism can be found on Wiki as well as on The New Mithraeum.