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Rome Trevi Fountain and Vicus Caprarius Tour

TourTruth score 7.4 out of 10

AverageTop 28% in Rome

12 reviews · Rated on 1 provider · How we score

  • Rome, Italy
  • Updated November 2, 2026

See the Trevi Fountain from its restricted basin area, then explore Vicus Caprarius and the ancient aqueduct beneath Rome.

About this tour

Beneath the crowds and cascading water of the Trevi Fountain, ancient Rome still flows. On this Rome Trevi Fountain and Vicus Caprarius tour, an expert local guide brings the fountain’s myths, engineering, and hidden history to life.

Start at the iconic fountain and take in a rare view from its restricted basin area, a perspective most visitors miss. Then head underground to Vicus Caprarius, known as the City of Water. Explore archaeological remains of ancient Roman life and learn about the Aqua Virgo aqueduct, the system that has supplied the Trevi Fountain for more than 2,000 years. Your guided visit includes entry to the underground site, with an English-speaking guide to connect the landmarks above and below ground.

Meet your coordinator in front of the church, where a red Tix & Tours sign makes them easy to spot. Public transportation is available nearby. Discover the layers beneath one of Rome’s most famous sights on this Rome Trevi Fountain and Vicus Caprarius tour.

Highlights

  • See the Trevi Fountain from its restricted basin area
  • Explore Vicus Caprarius, the underground City of Water
  • Hear how the Aqua Virgo aqueduct still feeds the fountain

What's included

Included

  • Guided tour with an expert local guide
  • Entry ticket to Vicus Caprarius – the Underground City of Water
  • Access to the restricted basin area of Trevi Fountain

Not included

  • Private transportation

Ratings on each provider

The ratings and review counts each booking site shows for this tour.

Important information

  • Public transportation options are available nearby
  • Suitable for all physical fitness levels
  • Meet the tour coordinator in front of the church; look for a red “Tix & Tours” sign

How this score is calculated

This score is based on one provider. Viator rates it 4.92 from 12 reviews. We place that rating among all Viator ratings and weight it by its review count. If the tour is found on another provider later, both ratings are combined.

How the score works and rating distribution in Rome
  • Each provider rating is turned into a percentile: the share of that provider's ratings it beats, weighted by review counts.
  • Listings on different providers are combined in proportion to their review counts.
  • Tours with few reviews are pulled toward the average until more reviews come in, so a handful of perfect reviews can't top the list.
  • The result is shown from 0 to 10: this tour scores 7.4. Top 28% in Rome means it ranks in the top 28% of tours in Rome by this score.

Provider rating distribution in Rome

How many tours in Rome have a provider rating at or below each value. The dashed line is this tour.

  • Viator

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