Many visitors to St. Peter’s Basilica find themselves confused about the underground areas beneath this magnificent structure. Are the Vatican Grottoes, Vatican Necropolis, and Papal Tombs the same place, or are they different? This guide will clear up the confusion and help you understand what makes each of these sacred spaces unique.
What Are the Vatican Grottoes?
The Vatican Grottoes are a series of underground chambers and chapels located approximately three meters below the main floor of St. Peter’s Basilica. Built between 1590 and 1591 during the construction of the current basilica, these grottoes were designed to support the massive weight of the structure above while creating a sacred burial space.
This underground network houses over 90 papal tombs, along with the burial sites of several royals and church dignitaries. The space extends from the high altar to roughly halfway down the nave, forming what feels like an underground church with three distinct aisles.
What You’ll Find in the Vatican Grottoes
The grottoes contain numerous treasures from the old Constantinian basilica, including ancient frescoes, mosaics, sculptures, and religious inscriptions. The centerpiece is the Clementine Chapel, named after Pope Clement VIII who renovated it in 1592. This chapel holds the chest protecting what is believed to be the sepulcher of St. Peter.
Notable burials include Pope John Paul II (whose remains were later moved to the Altar of St. Sebastian), Pope Paul VI, Pope John XXIII, Queen Christina of Sweden, and Queen Charlotte of Cyprus. The area is well-lit and spacious, contrary to what some visitors might expect from an underground burial site.
Visiting the Vatican Grottoes
Access to the Vatican Grottoes is free and included with entry to St. Peter’s Basilica. The entrance is located inside the basilica near the papal altar, close to the statues of St. Helen and St. Andrew.
Opening hours are 9:00 AM to 6:00 PM daily. Photography is strictly prohibited, and visitors are expected to maintain silence out of respect for the sacred nature of the space.
An important tip: visit the main basilica first before descending to the grottoes, as the exit from the grottoes leads outside the church. If you want to return to the basilica afterward, you’ll need to rejoin the entrance queue.
What Is the Vatican Necropolis?
The Vatican Necropolis lies even deeper underground, beneath both the Vatican Grottoes and St. Peter’s Basilica. This ancient burial ground dates back to the first and second centuries AD, predating Christianity itself and serving as a cemetery for both pagans and early Christians.
Originally located on the southern slope of Vatican Hill, adjacent to the Circus of Caligula, this necropolis follows Roman law that prohibited burials within city walls. The site remained buried and untouched for over 1,600 years beneath the floor of the Constantinian basilica.
The Discovery and Significance
The necropolis was rediscovered during secret excavations conducted during World War II under Pope Pius XII. This archaeological site contains a series of ancient Roman mausoleums labeled A through O, each featuring intricate frescoes, inscriptions, and burial artifacts from the second to fourth centuries.
The most significant feature is what’s known as the “Trophy of Gaius,” a monument marking what many believe to be the original tomb of St. Peter, the first pope and one of Jesus’s twelve apostles. According to tradition, Peter was martyred in the Circus of Nero in 64 or 67 AD and buried in this nearby cemetery.
Visiting the Vatican Necropolis (Scavi Tour)
Access to the Vatican Necropolis is highly restricted to protect this sensitive archaeological site. Only about 250 visitors are permitted each day, divided into small groups of approximately 12 people. The tour, known as the Scavi Tour, lasts about 90 minutes and requires advance reservations, often months ahead of your planned visit.
The official ticket price is €13 (approximately $16.50 USD) through the Vatican’s Excavation Office. Some tour operators offer combined packages that include the necropolis along with the Vatican Museums and Sistine Chapel, though these cost more.
The necropolis tour is not suitable for everyone. Visitors must be at least 10 years old (some sources indicate 15 years), and the tour is not recommended for those with claustrophobia or mobility issues due to narrow passages and steep stairs. The underground environment also features altered temperature and humidity conditions.
Tours operate Monday through Saturday, with the necropolis closed on Sundays and Vatican holidays.
What Are the Papal Tombs?
The term “Papal Tombs” doesn’t refer to a single location but rather to the burial sites of popes found within both the Vatican Grottoes and the Vatican Necropolis. These tombs span nearly two millennia of Church history, from St. Peter’s burial in the first century to modern popes of the 20th and 21st centuries.
The design and scale of these tombs vary dramatically, reflecting different historical periods, artistic styles, and the evolving nature of the papacy. Some are simple marble slabs with inscriptions, while others are elaborate monuments with sculptures and decorative elements.
The papal tombs serve as pilgrimage destinations for millions of Catholics worldwide, connecting believers to the unbroken lineage of Church leadership stretching back to St. Peter himself.
Key Differences Between These Sacred Sites
While these three terms are often used interchangeably, they represent distinct spaces:
Location: The Vatican Grottoes sit directly beneath St. Peter’s Basilica at about three meters below ground level. The Vatican Necropolis lies even deeper, beneath the grottoes. The Papal Tombs are found in both locations.
Historical Period: The grottoes date from the 16th and 17th centuries. The necropolis is an ancient burial ground from the first through fourth centuries AD, predating the basilica by centuries.
Access: The grottoes are free and relatively accessible to all visitors during basilica hours. The necropolis requires special advance booking, has strict age and health restrictions, and costs €13 per person.
Purpose: The grottoes were built as a structured burial space for popes and dignitaries during and after the construction of the current basilica. The necropolis is an ancient Roman cemetery that happened to contain St. Peter’s burial site, around which Constantine built the first basilica.
Visitor Experience: The grottoes are well-lit, spacious, and allow self-guided exploration. The necropolis tour is conducted in small groups with mandatory guides, through narrow passages with altered environmental conditions.
How These Sites Connect
Together, these underground levels beneath St. Peter’s Basilica tell a complete story of Christian history. The ancient necropolis contains the roots of the Roman Church where St. Peter was buried. The grottoes preserve the memory of papal succession through the centuries. The papal tombs thread through both levels, creating a continuous link from the first pope to the present day.
This layered history reflects the physical reality: Constantine built the first St. Peter’s Basilica directly over Peter’s tomb in the fourth century. The current Renaissance basilica, begun in the 16th century, was built over both the old basilica and the ancient necropolis. The grottoes were created as an intermediate level during this construction.
Conclusion
The Vatican Grottoes, Vatican Necropolis, and Papal Tombs are related but distinct elements of the sacred spaces beneath St. Peter’s Basilica. The grottoes offer an accessible journey through recent papal history, while the necropolis provides a rare glimpse into ancient Rome and the dawn of Christianity. The papal tombs connect both spaces, creating an unbroken chain of tradition spanning two thousand years.
Understanding these differences will help you make informed decisions about which sites to visit during your trip to Vatican City and ensure you have the appropriate expectations and preparations for each unique experience.
Frequently Asked Questions Related to Vatican Grottoes, Necropolis, and Papal Tombs (FAQs)
1. What are the Vatican Grottoes and Necropolis?
The Vatican Grottoes are underground chapels and papal tombs beneath St. Peter’s Basilica. Below them lies the Vatican Necropolis, an ancient Roman burial ground that includes early Christian tombs and the site traditionally identified as Saint Peter’s burial.
2. What are the grottos in the Vatican?
The Vatican grottos are a crypt-like level beneath St. Peter’s Basilica containing papal tombs, chapels, and remnants of earlier structures. They serve as a place of prayer and remembrance, allowing visitors to walk through a quiet, sacred space closely connected to the history of the papacy.
3. Is the Vatican Necropolis worth it?
Yes, the Vatican Necropolis is worth visiting for those interested in archaeology, early Christianity, and Church history. The guided Scavi tour offers rare access to an ancient Roman cemetery and the traditional burial site of Saint Peter, making it one of the most historically significant experiences in Vatican City.
4. What is the difference between the Vatican Necropolis and the Grottoes?
The Vatican Grottoes are a devotional crypt beneath the basilica, housing papal tombs and chapels and generally open to visitors. The Vatican Necropolis lies deeper underground, is an archaeological site with ancient Roman tombs, and can only be visited through restricted, guided tours.