Rome: Trevi Fountain District and Underground Domus Guided Tour
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September 2026
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Adults
Age 13 and over
Children
Age 12 and under
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Free cancellation up to 24 hours before. Same price on Viator, Outty earns a commission.
Traveler rating
4.5/5
Based on 378 traveler reviews. Ratings and reviews provided by Viator and Tripadvisor.
Quick answer
Is Rome: Trevi Fountain District and Underground Domus Guided Tour worth booking?
Rome: Trevi Fountain District and Underground Domus Guided Tour is a 0.9-hour experience in Rome, Italy, from $22 per person. It scores 73 out of 100 on the Outty Ranking, which we label “Strongly Recommended”, based on a 4.5/5 rating across 378 reviews. Cancellation is free up to 24 hours before the start time. Same-day spots are currently showing.
- Outty Ranking
- 73 / 100
- Rating
- 4.5/5 (378)
- Duration
- 0.9 hours
- From
- $22 per person
Venture 9 meters beneath Rome's surface to discover its secrets on a guided tour. Learn the city's history while marveling at Ancient Roman relics on a 45-minute guided tour through its underground passages. Roam through
What you get
About this experience
Venture 9 meters beneath Rome's surface to discover its secrets on a guided tour. Learn the city's history while marveling at Ancient Roman relics on a 45-minute guided tour through its underground passages. Roam through the three sections of the antiquarian and learn why this archaeological area is called the "City of Water." Start making a wish at the iconic Trevi Fountain, the largest Baroque fountain in the city. Next, venture underground to marvel at ruins that date all the way back to Ancient Rome. This history comes to life with the help of a professional guide, who will explain the story behind the Vicus Caprarius archaeological area. Learn about the findings discovered during excavation, including precious polychrome marble coverings, the famous head of Alessandro Helios, a treasure trove of 800 coins, and the spatheia, special African amphorae for transporting oil.
What's included
Included
- Trevi Fountain Access Ticket
- Italian Gelato (if the option has been selected)
- Assistance by the Touristation Staff
- Vicus Caprarius Guided Tour
- Vicus Caprarius reserved entry ticket
Not included
- Food and Drinks
- Pick up from and to the hotel
What you'll see and do
Vicus Caprarius – the City of Water
This an underground aqueduct was discovered in 1999 in the basement of a cinema. Inside, a water tank connected to the Vergine aqueduct is visible.
45 minutes here · Admission included
Trevi Fountain
Throw a coin in the water, if you wish, which legend says ensures your return to Rome someday.
10 minutes here
Where it starts and ends
Meeting point
Rome
Please report at Vicolo del Puttarello 25 to meet your guide.
Hotel pickup
No pickup: everyone meets at the start point.
Ends at
Please report at Vicolo del Puttarello 25 to meet your guide.
Options you can book
English Guided Tour
English Guided Tour and Gelato
Italian Gelato English Guided Tour and Gelato
Before you book
- Cancellation
- For a full refund, cancel at least 24 hours before the scheduled departure time.
- Languages
- en
- Ticket
- Mobile Only
- Runs on
- Tue, Wed, Thu, Fri, Sat, Sun
- Group size
- Up to 15 travelers per booking
- Operated by
- TOURISTATION
Know before you go
- Public transportation options are available nearby
- Suitable for all physical fitness levels
- Not suitable for people with mobility impairments
- Please report to Vicolo del Puttarello 25 to meet your guide.
Photos
What travelers are saying
Outty’s summary of the themes that recur across 379 traveler reviews. Written by us, not quoted from reviewers.
The guide
9 mentionsTravelers single out the guide as the reason the experience works.
Knowledge and storytelling
6 mentionsReviewers describe the commentary as informative rather than scripted.
Pace and timing
3 mentionsSeveral reviewers found the schedule tight or the day long.
Value for money
2 mentionsTravelers feel they got more than they paid for.
Traveler reviews
379 verified traveler reviews for Rome: Trevi Fountain District and Underground Domus Guided Tour. Ratings and reviews provided by Viator and Tripadvisor.
Trevi
Really interesting - our guide Naomi was very knowledgable and amusing.
via Tripadvisor
An unexpectedly rich and memorable site for such a tiny place, much recommended!
A great dip underground through the many layers of Roman history. A hotel - previously cinema above an early modern trash site to medieval ruins to a pool fueled by the ancient aqueduct going back further than the empire and republic. Its a nice place to see just how many layers are still hidden beneath modern Rome and what an important role water had, how it shaped the city and who got to live where as well as a small peak into daily life of all social classes from speculated senators to the slaves serving them. Our guide was very engaging and shared a lot of knowledge in this short time yet it was easy to follow and not rushed and very memorable! The trevi fountain despite being overcrowded is impressive to see up-front so the combined access to that is very nice. Ontop of the tour being great, the company also was very helpful when we ran into some issues (caused by ourselves) and accommodated us for which we are super grateful! Glad to not have missed out on this hidden gem ♡
via Tripadvisor
Fascinating Roman Water cistern
The underground water cistern was discovered in 1999. Fascinating. Then you have the local explanation of the Trevor fountain and the tickets to get close to it (where it’s not overcrowded at the front and blocked by instagrammers).
via Tripadvisor
A real surprise!
I brought some foreign colleagues visiting Rome to this timeless place, and they were enchanted by this hidden gem. The guide, whose name I believe was Noemi, was truly wonderful and full of interesting information. A real surprise!
via Tripadvisor
Interesting to See, But Overpriced and Misleading
Interesting to See, But Overpriced and Misleading The site itself is interesting and certainly worth having a quick look around, and I do want to say that our guide was very knowledgeable and clearly knew the history well. Unfortunately, though, we found the 45-minute guided tour far too long for what is actually a very small site. There simply isn’t enough to see to justify stretching the experience out for that length of time, and towards the end it really started to drag. During our tour, several people who hadn't booked the guided experience came down, spent around 10 minutes looking around and then left. Having experienced the full tour, we honestly felt that 10–20 minutes would have been more than enough time to appreciate the site. Our biggest disappointment was the way the experience appeared to be linked to the Trevi Fountain when booking. We went in expecting a much stronger connection to the fountain itself, but that really wasn't the case. We therefore felt that the description was somewhat misleading and created expectations that the actual experience didn't meet. For the price we paid, we unfortunately didn't feel it represented particularly good value for money. A shorter tour at a considerably lower price would have felt much more appropriate. It's interesting to see once, and our guide deserves credit for being knowledgeable, but we wouldn't pay to do it again. If you're visiting, I would recommend checking exactly what the experience includes before booking, particularly if you're expecting it to be directly connected to the Trevi Fountain.
Response from the operator: Dear Customer, Thank you for sharing your experience with us. We are pleased to know that you appreciated our guide’s knowledge and expertise in the history of the site. We are sorry, however, that the duration of the visit and the value for money did not meet your expectations. The guided tour was designed to provide visitors with a historical and cultural insight into the site. Your feedback will be very helpful to us in reviewing and making the description of the experience even clearer, so that our customers can make a fully informed choice when booking. We are genuinely sorry that, despite your interest in the site and your appreciation of the guide’s professionalism, the overall experience did not represent good value for money for you. Nevertheless, we sincerely thank you for recognizing the positive aspects of the visit and for your valuable suggestions, which help us continuously improve our services. Kind regards, Touristation Customer Service
via Viator
Good to know
- Duration
- 0.9 hours
- Free cancellation
- Up to 24h before
- Minimum age to book
- All ages
- Availability
- Bookable today
- Runs on
- Tue, Wed, Thu, Fri, Sat, Sun
- Price range
- $22 to $46
- Hotel pickup
- No pickup, meet at start point
- Booked in 30 days
- 132
- Verdict
- Strongly Recommended
Why this scores 73
The Outty Ranking is a weighted composite. Here is how this experience performed on each component.
Rome: Trevi Fountain District and Underground Domus Guided Tour: questions travelers ask
Practical detail on this experience, plus the wider planning questions for Rome.
How much does Rome: Trevi Fountain District and Underground Domus Guided Tour cost?
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Prices start at $22 per person. The final price depends on the date, the time slot and the number of travelers, and peak weekends in Rome usually price higher than midweek mornings. Live pricing and remaining availability are confirmed on the booking screen before you pay.
How long does Rome: Trevi Fountain District and Underground Domus Guided Tour take?
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Plan for about 0.9 hours from start to finish, not counting travel to the meeting point. Most travelers leave another 30 minutes on either side so the rest of the day in Rome is not rushed.
Is Rome: Trevi Fountain District and Underground Domus Guided Tour worth it?
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It holds an Outty Ranking of 73 out of 100, which we label "Strongly Recommended". That score blends traveler sentiment (4.5/5 across 378 reviews), the depth of that review evidence, recent booking momentum, value for money against comparable last minute in Rome, and how flexible the cancellation terms are.
Can I cancel or reschedule Rome: Trevi Fountain District and Underground Domus Guided Tour?
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Yes. Cancel free up to 24 hours before the start time for a full refund. Inside that window the booking is non-refundable, and no-shows are not refunded.
Is Rome: Trevi Fountain District and Underground Domus Guided Tour suitable for kids and families?
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Yes, all ages are welcome. Families should still weigh the 0.9-hour running time, and strollers are easier on the earlier, quieter departures.
How far in advance should I book Rome: Trevi Fountain District and Underground Domus Guided Tour?
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Around 132 people booked this in the last 30 days, so popular slots go early. Two to three weeks ahead is comfortable in shoulder season, while summer weekends and holidays in Rome can sell out a month out. Same-day spots do open up when other travelers cancel, so it is worth checking if you are already in town.
What should I bring or wear?
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Bring photo ID, your booking confirmation on your phone, a refillable water bottle and comfortable shoes. Dress for the weather in Rome and add a light layer if any part of the 0.9-hour experience runs outdoors or after sunset.
Where does Rome: Trevi Fountain District and Underground Domus Guided Tour start and how do I get there?
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The exact meeting point and directions are on your voucher once you book, and they sit in central Rome within reach of public transport. Arrive 15 minutes early: late arrivals are treated as no-shows by most operators.
What are the best things to do in Rome?
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Rome runs on skip-the-line access. The Colosseum underground, the Vatican before opening, and the catacombs south of the walls all require a licensed operator, and the price gap between the good ones and the rest is smaller than you would expect. We rank by guide credentials, group size and how reliably the promised access actually materialises. On Outty we rank every Rome experience on the same 0 to 100 scale, and alongside this one the highest scorers right now include Rome Pasta and Tiramisu Class: Ravioli, Fettuccine & Fine Wine 5*, Pasta Making & Wine Tasting with Dinner in Frascati from Rome, Rome: Pizza & Tiramisu or Gelato Class with Flowing Fine Wine 5*. The city page groups everything into most popular, highest reviewed, last minute and family-friendly so you can build a day around what actually delivers.
When is the best time to visit Rome?
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April, May, September and October. August is hot and half the city is shut. Booking patterns follow the same curve: prices and queues climb in peak weeks, while shoulder season gives you better availability on the top-ranked experiences and more room to change plans.
How many days do you need in Rome?
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Three full days covers the headline sights without sprinting. A workable rhythm is one anchor experience each morning, such as this one, an unhurried afternoon in a single neighborhood, then a food or nightlife booking in the evening. Five days lets you add a day trip outside the city.
Do I book through Outty or through the operator?
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Outty ranks and explains the experiences, then hands you to Viator to complete the booking with the operator directly. The price is the same as booking on Viator yourself, and Outty earns an affiliate commission on the referral, which is how the rankings stay free to read.
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