Trevi Fountain Underground — Vicus Caprarius City of Water Ticket
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USD 40.19
Above you, the crowds are tossing coins into Rome’s most famous fountain. Nine metres below, you are standing in a Roman house abandoned seventeen centuries ago, beside the ancient aqueduct that still feeds the water rushing overhead.
Vicus Caprarius, the City of Water, is the archaeological site hidden beneath the Trevi district, discovered during cinema renovations and barely a hundred metres from the fountain. Book your ticket and see the Rome that lies underneath!
Vicus Caprarius, the City of Water, is the archaeological site hidden beneath the Trevi district, discovered during cinema renovations and barely a hundred metres from the fountain. Book your ticket and see the Rome that lies underneath!
Key Highlights
- Descend nine metres below street level into ancient Roman Rome
- Walk through the remains of an imperial-era Roman residence
- See the Aqua Virgo aqueduct that has fed the Trevi Fountain since 19 BC
- Stand beside a vast ancient water cistern still holding water
- Examine coins, pottery and sculpture found on the site
- Discover a marble head of Alexander Helios among the finds
- Escape the crowds in one of central Rome’s quietest sites
- Step out moments from the Trevi Fountain itself
About Trevi Fountain Underground — Vicus Caprarius City of Water Ticket
The Trevi Fountain has been drawing crowds since 1762, but the water pouring through it comes from somewhere far older. The Aqua Virgo aqueduct was completed in 19 BC and has been running almost continuously ever since, one of the few Roman aqueducts never to fall out of use. Vicus Caprarius is where you can see it.
The site was discovered by accident in the 1990s during renovation work on a cinema, when workers broke through into a buried Roman neighbourhood. What emerged was an insula, a multi-storey residential block from the first century AD, later converted into a grand domus with mosaics and marble. Alongside it sat an enormous cistern, the castellum aquae, which collected and distributed water from the Aqua Virgo across the district.
Walking through, the scale of it registers slowly. These were the ground floors and basements of real homes, with water channels still running, brick walls still standing and the aqueduct audible nearby. A small museum area displays what was recovered during excavation, including coins, amphorae, oil lamps and a striking marble head identified as Alexander Helios.
The contrast is what makes it memorable. Minutes earlier you were in one of the most crowded squares in Europe. Down here it is cool, quiet and almost empty.
The visit takes around 20 to 40 minutes depending on whether you go self-guided or with a guide.
Book through Thrillark and secure your entry at the best available rate, so your slot is confirmed before you arrive.
The site was discovered by accident in the 1990s during renovation work on a cinema, when workers broke through into a buried Roman neighbourhood. What emerged was an insula, a multi-storey residential block from the first century AD, later converted into a grand domus with mosaics and marble. Alongside it sat an enormous cistern, the castellum aquae, which collected and distributed water from the Aqua Virgo across the district.
Walking through, the scale of it registers slowly. These were the ground floors and basements of real homes, with water channels still running, brick walls still standing and the aqueduct audible nearby. A small museum area displays what was recovered during excavation, including coins, amphorae, oil lamps and a striking marble head identified as Alexander Helios.
The contrast is what makes it memorable. Minutes earlier you were in one of the most crowded squares in Europe. Down here it is cool, quiet and almost empty.
The visit takes around 20 to 40 minutes depending on whether you go self-guided or with a guide.
Book through Thrillark and secure your entry at the best available rate, so your slot is confirmed before you arrive.
Inclusions
- Entry to the Vicus Caprarius archaeological site.
- Access to the Roman ruins, cistern, and aqueduct remains.
- Access to the on-site museum exhibits.
- Audio guide or live guide, depending on the selected option.
Exclusions
- Food and drinks.
- Hotel pickup and transport.
Insiders' Tips
Combine it with an early morning visit to the fountain itself, when the piazza is at its emptiest and you can see both the Baroque spectacle and the Roman engineering behind it within an hour.
Additional Information
Operating Hours
Child Policy
Accessibility & Facilities
Restrictions
- Open Wednesday–Monday, usually 10:30 AM–6:30 PM.
- Closed on Tuesdays.
- Hours may vary on holidays and by season.
- Trevi Fountain piazza is open 24 hours.
Child Policy
- Children under 14 enter free.
- Reduced rates for ages 14–17 and EU citizens aged 18–25.
- Children must be accompanied by an adult.
- Stairs are required to reach the excavation area.
Accessibility & Facilities
- Access is via stairs below street level.
- Not suitable for visitors with significant mobility limitations.
- Information panels are available in Italian and English.
- The site stays cool, so bring an extra layer in winter.
Restrictions
- Booking is mandatory on weekends and recommended on weekdays.
- Guided tours are limited to around 12 people.
- Entry is subject to limited capacity.
- Tickets are valid only for the selected date.
Cancellation Policy
This ticket is non-refundable.
Frequently Asked Questions
Do you need a ticket for the Trevi Fountain?
No. The Trevi Fountain sits in an open piazza and viewing it is free, day or night. Rome introduced a small fee for the controlled close-up platform at the basin edge, but the fountain itself has never required an entry ticket. This product covers the separate underground archaeological site nearby.
What is Vicus Caprarius?
It is an archaeological site nine metres beneath the Trevi district, known as the City of Water. Discovered during renovation work in the 1990s, it preserves the remains of a Roman residential block, a grand domus and the enormous cistern that distributed water from the Aqua Virgo aqueduct.
How long does the Trevi Fountain Underground visit take?
A self-guided visit takes around 20 minutes, while guided tours typically run 40 minutes to an hour. The site is compact, so it fits easily into a morning in the historic centre. Allow extra time if you want to study the museum display of excavated finds.
What are the Vicus Caprarius opening hours?
The site is generally open Wednesday to Monday from 10:30 to 18:30 and closed on Tuesdays. Hours can vary seasonally and on public holidays. Check the current schedule before visiting, as the site is small and capacity is limited.
Is the Vicus Caprarius site worth visiting?
If you are interested in how Rome actually worked, yes. The Aqua Virgo aqueduct has fed the Trevi Fountain since 19 BC and still runs here, which turns the fountain above from a photo stop into the end of a two-thousand-year story. It is also one of the quietest places in a very busy district.
Where is the Trevi Fountain Underground entrance?
The site sits less than a hundred metres from the Trevi Fountain in Rome’s historic centre, tucked down a side street off the main piazza. Look for the Vicus Caprarius signage. The exact entrance address is confirmed on your booking.
Do I need to book in advance?
Booking is mandatory at weekends and strongly recommended on weekdays. The site is small with limited capacity, and guided tours cap at around 12 people. Advance booking is especially important between April and October.
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