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Rome Trevi Fountain and Underground Aqueducts Tour

TourTruth score 7.0 out of 10

Average

1 review · Rated on 1 provider · How we score

  • Rome, Italy
  • 1 hr 30 min
  • Updated November 2, 2026

Explore ancient ruins beneath Rome, trace the aqueduct to the Trevi Fountain, and visit the Spanish Steps and Galleria Sciarra.

About this tour

Beneath Rome’s busy streets, a hidden world of ancient homes and flowing water tells the story of everyday life nearly 2,000 years ago. On this 90-minute Rome Trevi Fountain and Underground Aqueducts Tour, descend into Vicus Caprarius, known as the City of Water, and explore remarkably preserved archaeological remains with a licensed guide.

Discover residential structures, ancient water systems, and artifacts, then learn how an aqueduct still carries water to the Trevi Fountain. Above ground, the experience also takes in the Trevi Fountain, the Spanish Steps, and elegant Galleria Sciarra, pairing celebrated landmarks with a lesser-seen corner of the city. Meet your guide in front of Vicus Caprarius. Some venues or areas may close unexpectedly; if they do, the tour will be extended to maintain its advertised length.

See Rome from below and above on a Rome Trevi Fountain and Underground Aqueducts Tour, and uncover the history flowing beneath the city’s most famous sights.

Highlights

  • Explore Vicus Caprarius, the underground City of Water
  • See ancient Roman homes, water systems, and artifacts
  • Discover how an ancient aqueduct supplies the Trevi Fountain
  • Visit the Trevi Fountain, Spanish Steps, and Galleria Sciarra

What's included

Included

  • Professional licensed guide

Not included

  • Personal expenses
  • Transportation
  • Tips

Ratings on each provider

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

Important information

  • Meet the guide in front of Vicus Caprarius
  • Public transportation options are available nearby
  • Infants must sit on an adult’s lap
  • Not recommended for travelers with poor cardiovascular health
  • Suitable for all physical fitness levels
  • Some venues or areas may close unexpectedly; if this happens, the tour will be extended to maintain its advertised duration

How this score is calculated

This score is based on one provider. Viator rates it 4.00 from 1 review. 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 7.0.

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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