Naples

15 Best Naples Underground Tours

Greek quarries, San Gennaro’s catacombs and a Bourbon escape tunnel parked with vintage cars, all stacked beneath the streets. Naples is two cities and the lower one is older.

2.Naples: Catacombs of San Gennaro Entry Ticket & Guided Tour

Explore Naples' underground history with a guided tour of the San Gennaro Catacombs. See ancient frescoes, mosaics, and learn about 2,000 years of faith and art.

★ 4.6

“Informative tour that explores the early history of Christianity in Naples - helps you view the big churches like the Duomo with new eyes .. very culturally enriching”

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4.Naples: The Bourbon Tunnel Guided Tour with Entrance Ticket

Explore Naples underground on the Bourbon Tunnel tour. Discover WWII relics, fascist statues, and historic tunnels with expert guides for an authentic experience.

★ 4.7

“Tour timing and visit spots were good. Good rotation of groups in the tunnels was also planned but in a low season. My concerns lie only in case of emergency. What is the plan in place, how is it communicated?”

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5.Naples Underground Spanish Quarters with Guide

Discover Naples Underground with a guided tour exploring ancient aqueducts and WWII shelters. An engaging, authentic experience for history lovers.

★ 5.0

“Very interesting and entertaining. Deep beneath Naples lies an ancient water system stretching 120 km. We explored 1 km of it, which was used as a bomb shelter during World War II. Alessandro, the guide, was very knowledgeable and fun.”

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7.Naples Underground Official Skip-the-line Ticket

Discover Naples' underground secrets with this skip-the-line tour. Explore ancient tunnels, aqueducts, and hidden theaters for an authentic experience.

★ 4.0

“The underground Naples tour was a fascinating adventure. The history of the engineering and stability of the underground tunnels is an education that cannot be repeated in a classroom. ( I am a teacher.) Walking where they did in ancient times AND as a bomb…”

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8.Naples Walking Tour with Underground Roman Ruins Ticket

Discover Naples with a guided half-day walking tour that covers key landmarks, underground Roman ruins, and includes free time for shopping and lunch.

★ 4.5

“This was a perfect tour of Naples where we saw most of the important sites, including a short ride on the metro. Our tour guide Nanzia was knowledgeable and friendly. We had Spanish speaking and English speaking guests on the tour so we did need…”

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9.Naples: City Walking Tour w/ Underground Roman Ruins Ticket

Explore Naples’ historic streets and underground Roman ruins on a guided walking tour, including key landmarks and an optional authentic lunch.

★ 4.6

“Jon Paul was a fantastic guide very knowledgeable and took time to make sure all our questions were answered - we discovered so much more by doing this tour - highly recommend.”

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10.Naples Underground & Highlights Tour Small Group Experience

Explore Naples’ historic center with this small-group tour, including underground tunnels, vibrant streets, and expert guides for an authentic experience.

★ 5.0

“Excellent tour! We visited the winding streets of the historic center as well as several churches and the underground. Without a guide I wouldn’t have understood and truly appreciated the underground ruins. Guide 1/31 at 10am was very knowledgeable in her history!”

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11.Naples: City Center Walking Tour with Underground Naples

Discover Naples' underground world on a 3.5-hour guided tour including historic tunnels, ruins, and ancient aqueducts—an authentic glimpse beneath the city streets.

★ 4.5

“Raphael was an excellent guide and a lovely guy as well. My wife and I had great time. Highly recommend.”

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13.The Underground Naples: a Trip to the Hidden City

Discover the hidden depths of Naples with a private underground tour exploring ancient passages, cult burial grounds, and historic sites beneath the city.

★ 5.0

“Riccardo our tour guide was inspiring. His knowledge of both above ground and underground Napoli not only taught us, it made us feel welcome to Napoli. We can now appreciate much more of how special is the city of Napoli culturally, archeologically, historically. The underground…”

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14.Walking Guided History Tour of Naples and Bourbon Tunnel

Explore Naples beyond the surface with this 3-hour guided tour. Discover historic squares, a medieval castle, and underground tunnels connecting past to present.

★ 5.0

“This is an amazing experience for people with many different interests. It is fascinating from a geological standpoint, as well as historical and cultural. It is simply an excellent tour with amazing sights and very interesting tales of the various uses of the tunnels. If…”

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