




Uncover one of Rome’s best kept secret with a guided tour of the Basilica di San Clemente, a site that takes you on a journey through more than two thousand years of history. Your experience begins outside the Basilica di San Clemente, located just steps away from the Colosseum. On the ground level, you’ll explore the 12th-century basilica, famous for its richly decorated mosaics, marble floors, and frescoes. Admire the shimmering apse mosaic of the Tree of Life Next, descend beneath the floor into the 4th-century church, where early Christian worshippers once gathered. The walls are still lined with faded frescoes depicting biblical scenes, saints, and symbols of the first centuries of Christianity in Rome. Finally, continue deeper underground into the 1st-century Roman buildings, including a house and a temple dedicated to the mysterious god Mithras. Step inside the Mithraeum to see the altar where followers of the cult once performed their secret rituals.
Out at sunset: the 4:00 PM departure is under way when the sun sets, around 5:13 PM in the coming weeks.
From the operator’s live schedule on Viator, checked Oct 13.
Uncover one of Rome’s most fascinating hidden treasures with a guided tour of the Basilica di San Clemente, a site that takes you on a journey through more than two thousand years of history. In just 75 minutes, you’ll walk through three incredible layers stacked one on top of the other, each revealing a different chapter of the Eternal City’s past. Your experience begins outside the Basilica di San Clemente, located just steps away from the Colosseum. Here you will meet your licensed guide, who will introduce the story of this unique monument before leading you inside. On the ground level, you’ll explore the 12th-century basilica, famous for its richly decorated mosaics, marble floors, and frescoes. Admire the shimmering apse mosaic of the Tree of Life and discover how the medieval church was built directly on top of an earlier structure.
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For a full refund, cancel at least 24 hours before the scheduled departure time.
The Underground Rome Experience: San Clemente lasts about 1h 15min. The itinerary has 1 stop.
Prices start at $227 per person for this Rome experience, booked through Viator with the price shown before checkout. There is 1 booking option, so the final price depends on the option you choose.
According to the operator’s current schedule, it runs every day, starting at 9:00 AM, 11:00 AM, 12:00 PM, 2:00 PM, and 4:00 PM.
Yes. Cancel at least 1 day before the start for a full refund. Later cancellations are non-refundable.
The meeting point is Meet us at Piazza di S. Clemente, in front of Basilica San Clemente. You will find City Walkers staff in bright blue t-shirts and sign. Hotel pickup is not part of this experience.
The experience is available in EN, IT, FR.
It is a private experience: only your party takes part. Up to 10 travellers can book together.
Infants and small children can ride in a pram or stroller
Wheelchair accessible
Yes, bookings are confirmed instantly.
Travellers rate it 5.0 out of 5 across 22 reviews on Viator and Tripadvisor; it is run by City Walkers Tours.
Reviews collected by Viator and Tripadvisor
| Tour | Duration | Rating | Price | |
|---|---|---|---|---|
The Underground Rome Experience: San Clemente | 1h 15min | 5.0 (22) | $227 | |
Rome: San Clemente Underground and Basilica Small Group Tour | 1h 30min | 4.9 (187) | $67 | View |
Rome Underground San Clemente Basilica Exclusive Tour & Tickets | 2h–2h 30min | 4.9 (20) | $32 | View |
Basilica of San Clemente Underground and Colosseum Experience | 6 hours | 5.0 (1) | $74 | View |
Underground Rome Capuchins' Crypt & San Clemente Basilica Tour | 3 hours | 5.0 (2) | $319 | View |
Private Tour: Colosseum & San Clemente Hidden undergrounds | 4 hours | 5.0 (7) | $503 | View |
Rome Underground Layers Tour, San Clemente, Santi Cosma e Damiano | 2 hours | 5.0 (4) | $113 | View |