Castel Sant Angelo: tickets, tours and what to see inside

From Hadrian's tomb to the Castle of the Holy Angel

The emperor Hadrian built the mausoleum on the right bank of the Tiber between 134 and 139 AD as a resting place for himself and his family. His ashes arrived a year after his death, joined later by those of succeeding emperors, the last recorded deposition being Caracalla in 217. The urns probably sat in what is now the Treasury Room, deep inside the building.

The building's name comes from a vision. Legend holds that the Archangel Michael appeared on top of the mausoleum and sheathed his sword, a sign that the plague of 590 had ended. A bronze statue of the angel by Peter Anton von Verschaffelt has stood on the roof since 1753, and an earlier marble version by Raffaello da Montelupo now sits in an interior courtyard.

The popes' fortress and escape route

From the 14th century the popes turned the tomb into a castle, and Pope Nicholas III connected it to St Peter's Basilica by a covered fortified corridor called the Passetto di Borgo. That elevated wall passage, about 800 metres long, gave a pope a protected escape route from the Vatican. Pope Alexander VI used it in 1494 when Charles VIII invaded, and Pope Clement VII ran along it during the Sack of Rome in 1527 as troops of Charles V massacred almost the entire Swiss Guard on the steps of St Peter's.

The castle also served as a prison and residence. Giordano Bruno was held here for six years, and Benvenuto Cellini described strolling the ramparts and shooting at enemy soldiers while locked up here himself. Puccini set the third act of Tosca on these ramparts, where the heroine leaps to her death. Decommissioned in 1901, the castle opened as the Museo Nazionale di Castel Sant'Angelo and drew over 1.2 million visitors in 2016. If you enjoy fortress-palaces, it pairs well with Hohensalzburg Fortress in Salzburg, which stayed a fortress rather than a tomb.

• Tomb for Hadrian and later emperors, from 139 AD
• Fortress inside the Aurelian Walls from 401
• Papal refuge and residence from the 14th century
• Prison under the Papal State, museum since 1901

Bottom to top: tomb, courtyard, papal floors, terrace

Enter from the riverside gate and start in the ancient core, the sloping ramp that once carried funeral processions up to the burial chamber. The Treasury Room here held the imperial urns. You then emerge into the Cortile dell'Angelo, the courtyard where Montelupo's marble angel stands and where executions took place in the prison years.

Above the courtyard come the papal floors. The Sala Paolina is the richest room, frescoed for Paul III, who built himself an apartment worthy of a pope under siege. The Cagliostra, named for the alchemist Cagliostro who was imprisoned here, sits lower in the building and recalls its grimmer use. The climb ends on the upper terraces beside Verschaffelt's bronze angel, with views over the Tiber, Ponte Sant'Angelo and the dome of St Peter's. On a clear evening the terrace is the best viewpoint in the centre of Rome, our estimate. Most visitors spend 1.5 to 2 hours covering the full spiral.

The Passetto di Borgo, the wall you can see from the street

From the terraces look west and you can trace the Passetto di Borgo, the elevated 800-metre passage inside an old city wall that links the castle to Vatican City. It began as a defensive wall rebuilt by Pope Leo IV around 852, with the enclosed escape corridor added under Nicholas III in 1277 or later. The top level is a patrol walkway, the hidden corridor runs beneath it.

Walking it is not part of a standard visit. The Passetto di Borgo appears only on the private Friday and Saturday option of the one-hour panoramic tour, so choose that option if the escape route is the reason for your visit.

Opening hours and last entry

Castel Sant'Angelo opens Tuesday to Sunday from 09:00 to 19:30, with last admission at 18:30. It closes on Mondays, except special openings. That gives you a long afternoon window, but do not arrive at 18:00 expecting a full visit. The route up the building takes 1.5 to 2 hours at a comfortable pace, our estimate.

Every ticket option here includes entry, so there is no separate purchase at the gate to plan around. A passport or ID is mandatory for the panoramic tour, and it is wise to carry ID for any castle visit in Rome since security checks apply at the entrance.

Dress and the quietest slots

There is no dress code for a museum, but the building is a climb. The route from the tomb to the terraces is a spiral of ramps and stairs, and none of the tours is suitable for wheelchair users, so wear shoes that cope with stone steps.

For quiet, aim for the first hour after the 09:00 opening or mid to late afternoon on a weekday, our estimate. Thepapal rooms are narrow, and a tour group filling the Sala Paolina blocks the whole corridor. Monday closures mean Tuesdays can be busier than usual as displaced visitors arrive, our estimate. The entry ticket with audio guide lets you start as early as 09:00, which is the cheapest way to beat the groups.

Finding the entrance and the meeting points

The address is Lungotevere Castello 50, on the embankment opposite Ponte Sant'Angelo. The bridge itself is part of the approach: Hadrian built it to face the mausoleum, and Bernini-era angels holding the instruments of the Passion line it today. Walk the bridge from the old town side and the castle drum fills the view.

Meeting points differ by option. The entry ticket with audio guide is collected at Viale Cardinale dell'Acqua by the castle's riverside gate. The guided tour meets at the museum entrance on Lungotevere Castello 50. The panoramic tour meets at the castle's main gate. Allow a few minutes to find the right one, and arrive ten minutes early as tours leave on time.

From St Peter's, from the centre, and combining the two

From St Peter's Square it is about a 15 to 20 minute walk down Via della Conciliazione to the castle, our estimate. From Piazza Navona and the historic centre, cross Ponte Sant'Angelo and you are there, our estimate 10 minutes. An underground pedestrian tunnel under Piazza Pia is planned to connect the castle and St Peter's fully on foot, part of an ongoing project.

If you are planning a Rome day around the castle, see our castle day trips page for how it fits alongside other fortress visits. For a wider shortlist, the best castles in Europe puts Castel Sant'Angelo in context against forts such as Predjama Castle, built into a cliff mouth in Slovenia.

Three ways to spend your time

A quick visit is one hour, which is exactly what the panoramic tour is built around: the tomb core, a taste of the papal floors and the terrace. The standard visit is 1.5 to 2 hours on your own with the entry ticket and audio guide, enough for the full spiral at a relaxed pace. The full visit is the guided 1 to 2 hours of the guided tour plus extra time on the terraces afterwards, which rewards anyone interested in the Sack of Rome, Cellini or Tosca.

Do not plan the castle and the Vatican museums back to back in one morning. The castle deserves fresh legs for the climb to the terrace.

When to go for the light

The terrace faces St Peter's dome, and late afternoon light across the Tiber is the payoff for the climb, our estimate. With the museum open until 19:30 and last admission at 18:30, a late entry in summer puts you on the terrace near sunset. The one drawback is that the last hour is also when the corridors empty, which is a bonus rather than a problem for photographs.

Read these before you climb

Each fact below comes from the castle's recorded history, and each one points to something you can see or trace on site.

• The urns of the emperors probably stood in what is now the Treasury Room, deep inside the building, and the last ashes placed there were Caracalla's in 217. Wikipedia
• The columns that once decorated Hadrian's tomb were carted off to decorate St Peter's, as the painter and architect Giorgio Vasari recorded in the 16th century. Wikipedia
• Benvenuto Cellini describes strolling the ramparts and shooting enemy soldiers during the Sack of Rome while he was imprisoned in the castle on charges of embezzlement, murder and sodomy. Wikipedia
• When a pope died, prisoners with heavy sentences were transferred to Sant'Angelo and were not released under the custom that emptied Rome's other jails, a traveller noted in 1676. Wikipedia
• The Passetto's hidden escape corridor runs beneath a normal patrol walkway inside a wall first built around 547 and rebuilt by Pope Leo IV around 852. Passetto di Borgo, Wikipedia