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Discover the underground layers and stunning basilica of San Clemente in Rome on this small group tour, led by expert guides for an intimate experience.
Exploring Rome’s San Clemente Basilica and its underground archaeological layers offers a glimpse into millennia of history. This 1 hour 30 minute, small-group tour costs $68.61 per person and includes admission tickets to the basilica and archaeological site. With a maximum of 15 travelers, the experience feels personal and engaging. Guided by knowledgeable experts, visitors descend three levels below ground to uncover a 4th-century basilica, remnants of an ancient pagan temple, and a 1st-century Mithraic temple. This trip is perfect for those interested in history, art, and archaeology, though it requires walking, climbing steps, and navigating uneven terrain.
The tour departs from Via di S. Giovanni in Laterano, 126, and concludes at Piazza di S. Clemente, making it conveniently situated near public transportation. Reviews highlight the passion and knowledge of guides like Gina and Priscilla, who bring the site’s layered history to life with engaging storytelling and humor. The experience is praised for making complex historical concepts accessible, and many reviewers mention how the underground sections are a mind-blowing and unforgettable highlight.
While the tour does not include hotel pick-up or drop-off, its accessibility and expert guidance make it a standout choice for those eager to explore Rome’s lesser-known depths. Be prepared for steps and uneven ground, and consider this tour especially suited for active visitors with curiosity for ancient ruins and religious history.


The Basilica of San Clemente dates back to the 12th century but sits atop layers of earlier structures. Visitors start their tour by exploring the beautiful basilica itself, which features medieval décor and artwork. The guide explains how the current church was built on top of older religious sites, giving a sense of the city’s recycling of sacred spaces over the centuries.
The archaeological site below opens up a different world. Here, the 4th-century basilica reveals the foundations of early Christian worship. Beneath that, participants can see the remains of a pagan temple from the 1st or 2nd century, showcasing how religious practices evolved in Rome. The Mithraic temple, dating from the 1st century, adds an intriguing element of Roman religious diversity and fascinating underground architecture.
Many reviews note how the layers of history are vividly presented, making the experience both educational and awe-inspiring. Guides like Luca, Gina, and Priscilla are praised for their storytelling skills and ability to make the past come alive.
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The initial stop is the Basilica of San Clemente, where visitors appreciate its 12th-century façade and interior artwork. This part of the tour lasts about an hour and a half, giving enough time for a thorough look at its medieval features and historical context.
Next, the Mitreo di San Clemente is a 10-minute visit within the archaeological site. This underground shrine provides insight into early Christian worship practices, with its sacred relics and mosaics. The underground levels include the original church from the 4th century, which reveals how Christian architecture developed in Rome.
Descending into the pagan temple ruins allows visitors to see Roman religious diversity firsthand. The Mithraic shrine from the 1st century is particularly notable, demonstrating religious syncretism and ancient Roman spirituality.
The guided commentary helps make sense of what might otherwise seem just stone ruins, emphasizing historical significance and architectural features.

The tour departs at Via di S. Giovanni in Laterano, 126, located conveniently near public transportation options. The meeting point is easy to find, and the tour concludes at the site’s main basilica, Piazza di S. Clemente. It’s open until 4:30 pm, giving plenty of flexibility for afternoon plans.
Since the tour is small and guided, it offers plenty of opportunities to ask questions and see less crowded sections of the site. Be aware that the visit involves climbing steps and walking on uneven terrain, so it’s not recommended for guests with mobility issues.
The booking window suggests the tour is most popular about 46 days in advance, so planning ahead ensures availability. The mobile ticket makes entry easy, and cancellation is flexible up to 24 hours before the scheduled start.

Guides like Gina, Luca, and Priscilla consistently receive high praise for their knowledge, humor, and storytelling style. Many reviews mention how they explain historical details clearly and make the experience engaging for all guests.
Their passion for Rome’s history shines through, creating a warm, lively atmosphere despite the underground and archaeological nature of the site. They are attentive to guest needs, ensuring everyone can see and hear during the tour, even under the shady or uneven sections.
The guides’ ability to connect different layers of history, from ancient pagan worship to early Christian architecture, helps visitors appreciate Rome’s complex past in a manageable, friendly way.

This small-group tour is ideal for history enthusiasts, art lovers, and archaeology fans eager to explore Rome’s hidden layers. It suits those comfortable with walking and stairs, as the underground sections require climbing steps and navigating uneven floors.
It’s especially appealing for visitors who want a personal, in-depth experience away from crowded tourist spots. The expert guides and inclusive tickets enhance the overall value, making it a worthwhile addition to any Rome itinerary.

This tour offers a fascinating journey through Rome’s past, combining medieval architecture with ancient religious ruins. The expert guides add depth and personality, making complex history accessible and memorable.
The price point of $68.61 includes tickets and guided commentary, providing good value for an intimate experience in a significant archaeological site. Its small size ensures a personal feel, and the layered underground sections promise an unforgettable look into Rome’s religious and architectural history.
While it’s not suited for those with mobility challenges, it remains highly recommended for active visitors with a curiosity for ancient civilizations and early Christianity. For anyone wanting to see beneath Rome’s streets, this tour delivers depth, detail, and discovery.
“The tour provides a tangible, literal experience of the layers of history in Rome all on one small site. A highlight of our time in Rome–just a sh…”

Is this tour suitable for children?
Yes, children who are comfortable walking and climbing stairs can enjoy the tour, but it requires physical effort due to steps and uneven terrain.
Are the tickets included in the price?
Yes, the admission tickets to the Basilica and archaeological site are included, valued at €10.
What should I wear?
Comfortable shoes are recommended because of stairs and uneven floors. Dress appropriately for outdoor and underground conditions.
Can I cancel the tour if my plans change?
Yes, cancellations are free if made 24 hours in advance. Last-minute cancellations are non-refundable.
Is there an age limit for this tour?
Most travelers can participate, but it’s not recommended for those with mobility issues due to climbing and walking.
Will I see the original church artwork?
You will see artwork from the 8th century during your underground visit, along with the original church foundations from earlier periods.