Basilica San Clemente: Underground Guided Tour
About this experience
Explore the 12th-century Basilica of San Clemente, an archaeological wonder near the Colosseum. Descend through three levels of subterranean mystery, each layer revealing over 2,000 years of intriguing history. The basilica boasts a gold mosaic that adds a shimmering glow to its central aisle.
Initially shrouded in mystery, the depths of San Clemente were uncovered in 1860 when a flood prompted an Irish Dominican priest and archaeologist to explore below. Ongoing excavations still unveil new secrets.
Descend a hundred feet, and the first level reveals a forgotten 4th-century basilica, overshadowed by the 12th-century basilica built above it.
Go deeper and find relics of an ancient Mithraic temple with its intact altar. Explore the skeletal remains of Roman houses, preserving a long-gone era. At the bottom, discover the underground spring that sparked the initial discovery.
Know before you go
- Duration
- 1 hr 30 min
- Guide language
- English
- Smartphone ticket
- Yes
- Wheelchair accessible
- No
- Meeting point
- 126 Via di San Giovanni in Laterano
What’s included
- Entrance to San Clemente archeological site
- Guided tour
What’s not included
- Hotel pickup and drop-off
HMBotel notes for choosing your ticket
Compare the inclusions above with your plans: admission, a guided visit and a combination ticket may cover different services. The venue name alone is not enough to compare them.
Check the meeting point and arrival instructions before adding another activity. The displayed duration describes the activity; plan travel from your hotel and your return separately.
Booking and payment take place with Tiqets. On that final page, confirm the date, participants, visit language, final price and cancellation rules; an indicative HMBotel price is not a guarantee of availability.
Presentation supplied by Tiqets. Conditions and availability may change.




