The Pantheon, the temple that became a church, on Piazza della Rotonda in Rome
Pantheon
Location & Proximity
The 9Hotel Cesàri: Your Starting Point Just Steps from the Pantheon
Boasting an exceptional location in the heart of Rome’s historic center, the 9Hotel Cesàri is just 300 meters from the Pantheon. Our quiet and refined boutique hotel is the ideal setting to unpack your bags and plan your sightseeing on foot.
Staying at our hotel offers you the unique privilege of reaching this masterpiece of antiquity in just a few steps. A full tour of the monument will take about an hour, and the staff at 9Hotel Cesàri are at your complete disposal to provide information and advice. After exploring, you can stroll through the surrounding pedestrian streets, visit the nearby Trevi Fountain, or head up to our panoramic rooftop terrace, La Terrazza del Cesàri, to relax.
Ancient Origins
The Origins of the Pantheon
The Pantheon in Rome is a building that has fascinated visitors for centuries and is considered one of the most striking examples of classical Roman architecture. Built during the Republic, it stands as a testament to the Romans’ ingenuity in the fields of engineering and art.
It was originally built as a temple dedicated to numerous deities, particularly Mars, the founding god of the city of Rome. The building’s monumental entrance is through a rectangular portico adorned with 16 massive granite columns. After suffering a fire in the early 2nd century, the building was completely restored and rebuilt by Emperor Hadrian, preserving this unique structure. The Pantheon is also famous for housing the tomb of the legendary Renaissance painter Raphael, making it a must-see destination for art and history enthusiasts.
Religious Transition
The Pantheon: The Journey of a Temple Turned Basilica
The Pantheon’s transformation from a temple dedicated to pagan gods into a Christian place of worship is a major event in the history of this monument. This transition reflects the profound religious and political changes that transformed Rome over the centuries.
With the adoption of Christianity as the official religion in the 4th century, Roman emperors gradually abolished ancient practices and closed pagan shrines. The major turning point for the Pantheon occurred in 608, when the Byzantine emperor Phocas presented it as a gift to Pope Boniface IV. The pontiff then decided to consecrate it to the Virgin Mary and all Christian martyrs, transforming it into a church. This transformation required liturgical adjustments, such as the addition of altars and biblical frescoes, but its main structure was preserved, allowing it to remain an active Catholic church to this day.
Civil Engineering
The Secret of Roman Concrete and Its Exceptional Preservation
The Pantheon’s exceptional preservation over the millennia has earned the widespread admiration of modern architects. Its continued use as a place of worship has greatly helped keep it in perfect condition, but the secret lies above all in the technical skills of the ancient builders.
The Romans had perfected the art of making cement and concrete. To build the Pantheon, they used a strategic mixture of lime, pumice, and volcanic ash. This Roman concrete possessed the unique and extraordinary property of hardening over time and upon contact with moisture. Thanks to the strategic use of formwork and materials that became progressively lighter as the structure rose, the building has remained perfectly intact in the face of the elements and earthquakes for over 2,000 years.
Architectural Masterpiece
The Pantheon’s Famous Dome and Its Oculus
The Pantheon’s dome is the monument’s most impressive architectural feature, widely regarded as a global masterpiece of engineering. Its perfect hemispherical shape resembles half a sphere, creating a spacious and harmonious interior.
With an impressive diameter of 43.3 meters, it holds the world record for the largest unreinforced concrete dome on the planet. What makes the visual experience so striking—almost making visitors feel dizzy—is the presence of the oculus at its summit. This circular opening, 8.8 meters in diameter, allows natural light to enter, casting a bright, ever-changing beam of light throughout the day. In addition to highlighting the decorated interior walls, this oculus serves as a natural ventilation system to regulate the basilica’s atmosphere.
Frequently Asked Questions
Everything you need to know before you go
How far is the 9Hotel Cesàri from the Pantheon?
The Pantheon is located right next to the 9Hotel Cesàri. It’s just a 300-meter walk—barely 3 to 4 minutes through the charming pedestrian streets of the historic center—to get there.How long does a visit to the Pantheon take?
A full tour to admire the architecture of the nave, look up at the dome, and explore Raphael’s tomb takes about an hour.What makes the Pantheon’s dome unique?
The Pantheon’s dome has a diameter of 43.3 meters, making it the largest unreinforced concrete dome in the world. At its center is an 8.8-meter oculus that allows air and natural light to enter.
