The Small-Group Tour at the Underground Temples of St. Clement’s Basilica offers travelers an exclusive opportunity to uncover Rome’s ancient religious heritage. Led by expert guides, participants can expect an intimate exploration of original frescoes, a Mithraeum dedicated to the pagan god Mithras, and the stunning 12th-century basilica above. What secrets lie beneath the city streets? Discover the captivating layers of history that await.
Key Points

- Explore the underground pagan temples and 4th-century Christian foundations beneath the 12th-century Basilica di San Clemente in Rome on a small-group tour.
- Tour led by knowledgeable guides and includes entrance fees, headsets, and a maximum of 16 travelers for an intimate experience.
- Highlights include original frescoes, an underground river, and the basilica’s spectacular mosaics.
- Tour not wheelchair accessible but located near public transportation; modest dress required.
- Free cancellation available up to 24 hours before the tour and alternative dates or refunds offered if canceled.
Tour Overview and Highlights

The small-group tour of the Underground Temples at St. Clement’s Basilica in Rome offers an in-depth exploration of ancient pagan temples, a 1st-century home, and a 4th-century basilica.
With a maximum of 16 travelers, the guided tour provides a more intimate experience. Highlights include original frescoes, an underground river, and the 12th-century basilica renowned for its spectacular mosaics.
Travelers can expect knowledgeable guides and a 93% recommendation rate from previous visitors. The tour includes entrance fees and headsets for clear communication, ensuring an immersive and engaging experience through the layers of Roman history.
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Inclusions and Meeting Details

Expert live guides lead the tour, which includes entrance fees to the Basilica di San Clemente.
Travelers can securely deposit their luggage during the experience. Headsets are provided to ensure clear communication with the guide.
The meeting point is 15 meters from the St. Clement Basilica on Via di S. Giovanni in Laterano, 132. The tour ends at a different location, depending on the itinerary.
This small-group experience is designed for a maximum of 16 participants, creating a more intimate atmosphere.
Tour Conditions and Recommendations
Although the tour isn’t wheelchair accessible, it’s located near public transportation.
Visitors are required to dress modestly, with knees and shoulders covered, for entry into the church. The tour involves moderate walking, so comfortable shoes are recommended.
Photography and filming inside the basilica are prohibited. While infants and children are allowed, the graphic frescoes may not be suitable for young viewers.
Participants should arrive on time, as the tour is subject to weather conditions and liturgical events. Alternative dates or refunds are offered if the tour is canceled.
Cancellation Policy and Additional Options

Free cancellation is available up to 24 hours before the experience starts.
Besides the basilica tour, visitors can add an optional guided tour of Santo Stefano Rotondo, except on Mondays when it’s closed.
The tour is subject to weather conditions and liturgical events, so alternative dates or refunds are offered if the tour is canceled.
The tour’s schedule and meeting point are important, as some reviews mention issues with these aspects.
Traveler Feedback and Experience

Positive reviews from travelers highlight the knowledgeable guides and the fascinating layers of Roman history uncovered during the small-group tour at St. Clement’s Basilica.
Visitors appreciated the personal attention and insightful commentary provided throughout the experience. Common themes in the feedback include the beauty of the basilica and the engaging nature of the guides.
Some reviews mention issues with scheduling and meeting points, emphasizing the importance of arriving on time.
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Exploring the Pagan Temples

Beneath the serene 4th-century basilica of St. Clement lies an extraordinary archaeological treasure trove.
Explorers uncover an intricate network of pagan temples, dating back to the 1st century AD. The tour guides visitors through this captivating subterranean world, revealing:
- The remains of an ancient Mithraeum, a temple dedicated to the Persian god Mithras.
- The foundations of a 4th-century Christian church, built atop the pagan structures.
- The course of an underground river, a symbolic link between the earthly and divine realms.
This multi-layered historical site offers a unique glimpse into Rome’s complex religious evolution.
Discovering the 1st-Century Home of St. Clement

As visitors descend into the depths of St. Clement’s Basilica, they uncover a hidden gem – the 1st-century home of Saint Clement himself.
This ancient site, now carefully preserved, offers a rare glimpse into the life of one of the earliest leaders of the Catholic Church.
Guided tours take guests through the well-preserved living quarters, where original frescoes and architectural features provide a tangible connection to the past.
Visitors can imagine the daily routines and rituals that took place within these walls, lending a sense of timelessness to the experience.
This intimate encounter with history is a highlight of the Underground Temples tour.
Admiring the 4th-Century Basilica Frescoes

The 4th-century basilica at St. Clement’s Basilica showcases stunning frescoes that transport visitors back in time.
The guided tour allows guests to admire these intricate artworks:
- The central apse depicts Christ enthroned, surrounded by saints and apostles.
- The walls feature scenes from the life of St. Clement, the 4th-century pope and martyr.
- Vibrant colors and precise detail captivate visitors, offering a glimpse into the basilica’s rich history.
These frescoes are a testament to the artistry and devotion of the early Christian community, providing a powerful connection to the past.
Frequently Asked Questions
What Language Is the Tour Conducted In?
The tour is conducted in English. The tour description states that the guided tour includes an expert live guide, indicating the tour is delivered in English for English-speaking travelers.
Are There Any Age Restrictions for Children on the Tour?
There are no age restrictions for children on the tour, though graphic frescoes may not be suitable for young children. Infants and children are allowed to join the small-group tour at the Underground Temples of St. Clement’s Basilica.
Can We Take Photos Inside the Underground Temples?
Photography and filming inside the basilica are prohibited. However, infants and children are allowed on the tour, though graphic frescoes may not be suitable for young children.
Is There an Option to Extend the Tour Duration?
There’s no option to extend the tour duration. The tour lasts for the scheduled time and can’t be extended. However, visitors can consider adding an optional guided tour of Santo Stefano Rotondo, except on Mondays when it’s closed.
Is There an Online Booking Option Available?
Yes, there’s an online booking option available for this tour. Travelers can conveniently reserve their spots on the tour’s website, ensuring a hassle-free experience.
The Sum Up
The Small-Group Tour at the Underground Temples of St. Clement’s Basilica offers a unique and immersive experience, allowing visitors to explore the rich religious heritage of Rome. Travelers will marvel at the well-preserved ancient frescoes, Mithraeum, and the 12th-century basilica, all while gaining insightful commentary from expert guides. This tour provides a captivating glimpse into the layers of history that lie beneath the eternal city.
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