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Explore underground Rome’s hidden churches, ancient streets, and Roman houses with a private guide on this 2-3 hour tour of St. Clement and Celian Hill.
Discover the secrets beneath Rome’s bustling streets on the Underground Rome Tour: St. Clement and Celian Houses. Priced at $296.46 per person, this private guided experience lasts approximately 2 to 3 hours and offers a fascinating look into Rome’s underground layers. You’ll explore hidden churches, abandoned shops, ancient houses of Roman senators, and a subterranean spring—all 50 feet below street level. This tour is perfect for those interested in Rome’s lesser-seen sites, especially if you enjoy detailed storytelling by knowledgeable guides.
While entrance tickets are not included in the tour price, the itinerary features highlights like the Basilica of St Clement and Santi Giovanni e Paolo on Celian Hill. The small group setting ensures personalized attention, and the group discounts make it accessible for families or friends traveling together. With a rating of 5.0 based on 15 reviews and 93% recommending it, this tour stands out for its engaging guides and unique underground exploration.


The tour begins at the Basilica Santi Giovanni e Paolo in Rome’s historic center. Here, the guide introduces the history of the site and leads travelers underground to explore the ancient Roman houses beneath. This stop offers a quick transition from the Middle Ages to Roman times, revealing underground structures connected to the church. While admission tickets for this site cost around 25 euro, they are not included in the tour price.
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Next, the group heads to Caelian Hill, one of Rome’s famed Seven Hills. This area was historically surrounded by aqueducts and temples, and it was home to residences of both high and middle-class citizens. The underground House of John and Paul is a highlight here, offering a glimpse into Roman domestic life beneath the modern city. This stop lasts about 20 minutes and is admission free, making it an accessible way to see the underground remains of ancient Rome.

The core of the tour is the Basilica of Saint Clement, where travelers can explore multiple layers of history in one site. This church built on the footprint of a late Roman Empire structure features excavations that began in the 1700s. Visitors experience the church’s various phases, from early Christian worship spaces to later medieval additions, providing a deep understanding of Rome’s layered history. The 1 hour and 45 minutes spent here are filled with fascinating details, though admission tickets are not included.
Beneath the Basilica of Santi Giovanni e Paolo, the Underground Houses of Saints John and Paul tell stories of early Christian communities. This site allows visitors to travel from Middle Ages to Ancient Rome in just a few steps, revealing underground chambers once used as residences or meeting places. While not included in the main tour fee, these hidden houses are an intriguing part of Rome’s underground history.
Throughout the tour, the guide leads through a labyrinth of narrow streets, ancient tunnels, and underground rooms. Expect to see rooms that once served as shops, tombs, and even a subterranean spring. These hidden parts of Rome are rarely accessible to the general public without a guide, making this tour a rare chance to walk through secret passages and underground chambers—all at a comfortable pace tailored for a moderate physical level.
The guides are praised for their knowledge, professionalism, and ability to make history engaging. One review highlights a guide named Francesca, describing her as extremely pleasant, knowledgeable, and professional. The small group size ensures that questions are welcomed, and stories are tailored to keep the experience lively and informative. The private nature of the tour provides flexibility and a personalized touch that larger group tours can’t match.
The tour starts at Piazza Dei SS. Giovanni e Paolo, with clear directions provided beforehand. It ends at the Basilica of San Clemente, making it convenient for those planning further sightseeing or dining in the area. Public transportation options are nearby, easing access for visitors arriving from different parts of Rome.
While the tour involves walking underground and through narrow streets, it is suitable for most visitors with moderate fitness levels. However, those who are strongly claustrophobic may find parts of the experience uncomfortable due to confined spaces. The tour does not include hotel pickup or transportation, so travelers should plan their own logistics accordingly.
Although the tour price is $296.46 per person, admission fees for the main sites are not included and total around 30 euro per adult. The cancellation policy is flexible, allowing free cancellations up to 24 hours in advance. This option offers reassurance for those with last-minute changes or uncertain plans.
What sets this underground Rome tour apart is its focus on hidden sites and underground structures that are otherwise inaccessible. The small group size and expert guides ensure an engaging experience that maximizes understanding of Rome’s subterranean architecture and history. The combination of religious sites, ancient houses, and underground tunnels makes it a well-rounded choice for history buffs and curious travelers alike.
This experience is ideal for history enthusiasts, architecture lovers, or those wanting a more intimate exploration of Rome’s underground. It suits travelers who appreciate detailed storytelling and are comfortable exploring confined spaces. Since physical fitness is moderate, it remains accessible to most visitors, though strong claustrophobics should consider their comfort level carefully.
The Underground Rome Tour: St. Clement and Celian Houses offers a unique glimpse beneath Rome’s streets, revealing layers of history that are rarely experienced by casual sightseeing. The combination of ancient houses, underground chambers, and historical churches ensures a rich, educational experience. While entrance fees are separate, the personalized guidance and exclusive access to underground sites make it a worthy investment for those eager to see the hidden depths of Rome.
This tour is most suitable for visitors who value in-depth knowledge and prefer smaller groups. It’s a compelling way to see Rome’s underground architecture, with the expert guides making every site come alive. For history lovers and curious explorers, this tour promises an engaging, insightful journey beneath the city.
“Incredibly interesting, an amazing experience, very unique and different. We had a marvolous guide who knew perfectly well all that there was to kn…”
Is this tour suitable for children?
The tour involves walking underground and through narrow spaces, so it may not be suitable for very young children or those strongly claustrophobic.
Are entrance tickets included?
No, admission tickets are not included. Expect to pay around 30 euro per adult for the sites visited.
What is the tour duration?
The tour lasts approximately 2 to 3 hours, allowing enough time to explore the key underground sites comfortably.
Where does the tour start and end?
It begins at Piazza Dei SS. Giovanni e Paolo and concludes at Basilica di San Clemente.
Is transportation provided?
No, the tour does not include transportation or hotel pickup. Travelers should plan their own arrangements to and from the meeting point.
Can I cancel this tour?
Yes, free cancellation is available up to 24 hours before the scheduled start time.
What makes this tour unique?
The focus on underground structures and hidden chambers offers a different perspective of Rome’s history, combined with small group intimacy and expert guides.
Is the tour suitable for those with limited mobility?
While generally accessible for most, visitors with mobility restrictions should consider the confined spaces and walking involved.
Do I need to be physically fit?
Yes, a moderate physical fitness level is recommended to comfortably navigate underground chambers and uneven surfaces.
What should I bring?
It’s wise to wear comfortable shoes and bring a small flashlight or use your phone’s light for darker areas, though guides will assist and illuminate the way.