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Audio guide
Descend beneath St. Clement’s to see Rome’s history in layers, from medieval basilica to early-Christian church to a pagan Mithraic temple, all stacked underground.
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Hosted entry to the functioning 12th-century basilica, known for its glittering golden mosaic apse.
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Descend to the 4th-century basilica beneath it, with preserved frescoes and early Christian worship spaces.
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Go further down to the Roman-era Mithraic temple, once used for clandestine pagan rites.
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Follow the visit with a structured multilingual audioguide, explaining how each layer reflects a different era of Roman faith and society.
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Access to St. Clemente's Basilica and its Underground (all underground levels)
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Hosted entry
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Multilingual audio guide
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Headsets
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- Food and drinks
You can cancel these tickets up to 24 hours before the experience begins and get a full refund.
This is a self-paced journey through three historical layers of Rome in one site, guided by a clear and engaging digital audioguide.
Getting started
Arrive at Basilica di San Clemente and show your voucher at the entrance. You’ll receive instructions to access and use the digital audioguide. No printed ticket needed. Modest dress required (shoulders and knees covered).
What to expect
Basilica di San Clemente (12th century)
A working church known for its golden mosaic apse and quiet, atmospheric chapels.
4th-Century Basilica (Underground Level 1)
See preserved frescoes and early-Christian inscriptions that reflect Rome’s shift from pagan to Christian worship.
Mithraic Temple (Underground Level 2)
View the altar and chambers of the ancient cult of Mithras, hidden deep below the street level.
Underground Water Channel
Hear and see an active Roman-era water source still flowing beneath the city.
Wrapping up
Return to ground level and exit from the basilica at your own pace. No fixed end time — stay as long as you wish within opening hours.
What to bring
- Carry your voucher/ticket and a valid ID for entry verification.
What’s not allowed
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Large bags and camera equipment are not permitted.
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Photography is strictly prohibited inside the crypt.
Accessibility
- The crypt has narrow passages and stairs; it is not wheelchair accessible and may be challenging for visitors with mobility limitations.
Additional information
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A modest dress code is required (shoulders and knees covered).
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This is an active religious site; closures may occur due to services or events.
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Your voucher will be emailed to you shortly.
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Display the voucher on your mobile phone with a valid photo ID at the starting point.
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Please check your final voucher for the starting point details & specific instructions.
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