Why choose this Rome tour ?

Embark on an unexpected experience a stone’s throw from the Colosseum: venture 14 meters below St Clement’s Basilica and immerse yourself into a mystical world of forgotten pagan cults and early-Christian legends and frescoes. Live the excitement of gradually exploring the different structures built on top of each other during the centuries on your way up to the surface. Cross three layers of history and earth with a small group of a maximum of 16 participants. Touch the waters of an underground river.



Make the most of your Rome adventure

What makes Small-Group Tour at Underground Temples of St. Clement’s Basilica a unique experience ?

This is your meeting point. Here you will check in, have a seat if you prefer, benefit WiFi internet access and use the toilet.

Here you will meet your guide and head towards Rome’s best-kept secret, St Clement’s Basilica. Get ready to go back in time down to the deepest point 14 meters underground, then gradually explore the different layers of earth and history as you climb back up to the surface

Discover the best-preserved Mithraic temple of the city 14 meters underground. Find out about the pagan cult of Ancient Romans before Christianity and be intrigued by its sectarian and esoteric side.
Learn about the early-Christian persecutions and martyrs and hear the legend of St. Clement whilst standing in the 1st Century structure that was once his home. Feel the eerie atmosphere and touch the waters of an underground river.

Then, journey higher into the remains of the 4th Century Underground Basilica, built on top of the martyr’s house and below the actual one. Walk along its imposing walls and be fascinated by the ancient frescoes while learning about the scenes and the lives of the martyrs they portray.

Go further up and end your tour in the beautiful 12th-century Basilica at ground level. Marvel at the stunning golden mosaic in the apse and learn about the hidden symbolism in it.

Tour Description & Additional Info:

  • Public transportation options are available nearby
  • Specialized infant seats are available
  • Suitable for all physical fitness levels
  • Please be at the meeting point 5 minutes before the tour starts
  • An appropriate dress-code is required in order to enter the churches: knees and shoulders should be covered
  • This tour is subject to weather conditions and/or liturgic-calendar events. If canceled you will be given the option of an alternative date or full refund
  • This tour will have a maximum of 16 participants
  • Not recommended for customers with claustrophobia


Options To Choose for Your Trip:

  • Small Group Tour in German
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    German tour: Select this option for a guided tour in German, in a small group of maximum 16 people.
  • Small Group Tour in Portuguese
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    Portuguese tour: Select this option for a guided tour in Portuguese, in a small group of maximum 16 people.
  • Small Group Tour in French
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    French tour: Select this option for a guided tour in French, in a small group of maximum 16 people.
  • Private Tour in French
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    Private Tour: Select this option is for a private guided tour with a French speaking guide.
  • Private Tour in English
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    Private Tour: Select this option is for a private guided tour with a English speaking guide.
  • Small Group Tour in Spanish
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    Spanish tour: Select this option for a guided tour in Spanish, in a small group of maximum 16 people.
  • Private Tour in Portuguese
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    Private Tour: Select this option is for a private guided tour with a Portuguese speaking guide.
  • Small Group Tour in Italian
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    Italian tour: Select this option for a guided tour in Italian, in a small group of maximum 16 people.
  • Private Tour in Italian
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    Private Tour: Select this option is for a private guided tour with an Italian speaking guide.
  • Small Group Tour in English
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    English tour: Select this option for a guided tour in English, in a small group of maximum 16 people.
  • Private Tour in German
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    Private Tour: Select this option is for a private guided tour with a German speaking guide.

Small-Group Tour at Underground Temples of St. Clement’s Basilica Inclusions:

Included with Your Ticket

  • Sterilized headsets to hear your guide clearly
  • Underground entrance ticket
  • Luggage deposit in our office for the duration of the tour
  • Full on-site assistance

Not Included

  • Hotel pickup and drop-off

Trending Rome Nearby Tours Likely To Sell Out

Special Instructions:

    – Please be at the meeting point 5 minutes before the tour starts
    – An appropriate dress-code is required in order to enter the church: knees and shoulders should be covered
    – This tour is subject to weather conditions and/or liturgic-calendar events. If canceled you will be given the option of an alternative date or a full refund
    – For environmental reasons, it is preferable that you bring your own earphones and do not print your voucher. We will provide earphones in case you forget yours
    – We suggest you bring your own refillable bottle as you can find drinkable-water fountains everywhere in Rome

    Please be advised..

  • This Tour is Provided by TOURIKS.
  • Tour Timezone & Starts at Europe/Rome.
  • Mobile or paper ticket accepted.
  • For a full refund, cancel at least 24 hours before the scheduled departure time.
  • This Tour is Rated 4.5 Stars based on 13 valid reviews on VIATOR.
  • Minimum 1 Travelers is required to book.
  • Maximum 15 Travelers is accepted for booking.