Guided tour

Rome: St. Peter's Basilica Dome to Underground Grottoes Tour

Rome: St. Peter's Basilica Dome to Underground Grottoes Tour

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From US$ 57.09 US$ 51.38 per person

Discover the wonders of St. Peter’s Square and Basilica with a professional guide. Visit the Dome and soak up panoramic views of Rome, then go underground to admire the historic grottoes. 

About this activity

Free cancellation
Cancel up to 24 hours in advance to receive a full refund
Covid-19 precautions
Special health and safety measures apply. Learn more
Mobile ticketing
Use your phone or print your voucher
Duration 105 minutes
Check availability to see starting times.
Instant confirmation
Live tour guide
English, Italian, Spanish, German, French, Portuguese, Russian, Chinese
Private or small groups available


  • Climb to the top of the Dome to admire panoramic views of Rome
  • Admire the Basilica's array of impressive marble, ceilings, and mosaics
  • Visit St. Peter’s Tomb and touch the original 4th century Basilica walls
  • Explore the underground grottoes and marvel at the ancient frescoes
  • Choose between a small group or private tour
Full description

Meet your guide in St. Peter’s Square then start the tour by climbing your way to the top of the Basilica’s Dome. Enjoy an exclusive look at the Dome’s impressive mosaics then head further up to the top balcony.

From here, marvel at panoramic views across the city, spot the Colosseum, the Pantheon, and other iconic landmarks. Descend directly into the Basilica and avoid the long entry queue. Inside, admire its impressive interior and discover why it took 150 years to build.

Gaze at the colorful marble, golden ceilings, and intricate mosaics that surround you. Learn about the renowned works of Renaissance and Neoclassic artists that are housed here.  Next, head underground to the Basilica’s historic grottoes and visit St. Peter’s Tomb. Touch the ancient walls of the original 4th-century Basilica and admire its beautiful frescoes. Finish the tour in St. Peter’s Square and soak up its majestic architecture. 

  • Professional guide
  • Entry fees to the top of the Dome
  • Entrance to St Peter's tomb
  • Sterilized headsets to hear your guide better
  • One mask per person, if required
  • Use of hand sanitizer during the tour
  • Full on-site assistance
    Not suitable for
    • People with claustrophobia
    • People with vertigo
    Covid-19 precautions
    Safety measures in place
    • All required protective equipment is provided
    • The number of visitors is limited to reduce crowds
    Traveler requirements
    • You must bring your own headphones
    • You must fill out a travel information form
    • You will receive a mandatory temperature check

    Select participants and date



    Prepare for the activity

    Meeting point

    Meet your guide at Largo del Colonnato 5, by the first columns of the Colonnade. Look for a yellow label with the local partner's logo on it. Please be at the meeting point 15 minutes before the starting time. The meeting point is outside the Basilica before entering St. Peter's square. Do not go through the metal detectors before meeting the guide.

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    Important information

    What to bring

    • Comfortable shoes

    Not allowed

    • Shorts
    • Weapons or sharp objects
    • Luggage or large bags
    • Sleeveless shirts

    Know before you go

    • The Dome's terrace might not be accessible during bad weather. In that case, you can ask for a partial refund and visit the other areas, or cancel for a full refund
    • Modest clothing is required to enter the Basilica (knees and shoulders should be covered)
    • Please be aware that the lines to clear security checks at the entrance are not skippable and may take 5-45 minutes
    • You will be required to pass through metal detectors at the entrance of the square
    • The Vatican Museums and the Sistine Chapel are not part of this tour
    • The meeting point is outside the Basilica before entering St. Peter's square and the security checks
    Customer reviews

    Overall rating

    4.8 /5

    based on 831 reviews

    Review summary

    • Guide
    • Value for money

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    Marle was amazing! We took way too many tours over two and a half weeks in Italy and she was the best by far! The tour went way over because of the line going in, and Marle kept up a constant stream of the most interesting facts and historical perspective on all we were seeing. She also has the most lovely, measured speaking voice and is always smiling and thrilled to answer questions. She could teach a master class on how to be a proper tour guide! She also made sure we so every part of the tour as promised and then some!

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    October 16, 2021

    We did a private tour with Rosy... LOVED her she was personable, knowledgeable with good humor. she made the entire tour about what we wanted to see and do. she pointed out some of her favorite things and made sure we did not miss anything she thought would be important. Highly recommend.

    October 12, 2021

    The tour started outside and it was hot. The tour guide was talking for what seemed hours out side in the heat. No one said to bring water. The tour guide was giving a horrid account of Rome and not any history on the Vatican. The Tour guide was gross she mentioned many things about small children and smashed body part... so I turned off the audio. I watch the History channel and I do not doubt what the tour guide was saying but it was gross and boring. St. Peter's Basilica was beautiful and amazing. I felt a peacefulness there and felt blessed to be there. The art work the statues and the underground grottoes were amazing. There is a lot of walking and many stairs. You must take water. If you need to eat make sure you go while the Cafeteria is open. The line outside is long so wear cool clothing. The tour was well worth the money. I would take this tour again without the tour guide. What was most helpful about the tour guide was that she knew exactly where to go. The space is huge.

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    October 7, 2021

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    Product ID: 391324