Castel Sant’Angelo – Hadrian’s Mausoleum

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Across the St Angelo Bridge from the bulk of the ancient city of Rome and not far from Vatican City, Castel Sant’Angelo dominates the northern bank of the Tiber River. Construction started on an artificial mound in the 120s for the Emperor Hadrian’s mausoleum. By the time of his death on 10 July 138 AD, the funerary monument was incomplete. The mausoleum was completed by Antoninus Pius in 139 AD. The ashes of the late emperor and his wife Sabina (who had died before Hadrian), as well as those of Aelius Caesar (Hadrian’s first adopted heir) were the first to be interred here. Subsequent emperors, their wives and immediate family also had their ashes deposited here – the last recorded emperor being Caracalla in 217 AD.

The information and details on this page were last checked and/or updated on 20 February 2022.

Looking across the St Angelo Bridge to Castel Sant’Angelo in Rome.

The Mausoleum of Hadrian, now a popular museum in Rome.

During the 3rd century AD, the mausoleum was incorporated into the Tiber fortifications. Various architectural features, prominent today were being added up until the 16th century. Consequently much of what visitors see today from the outside is not ancient at all; the ancient structure is preserved within and at the foot of the circular drum. Throughout the period between the 13th and 16th century, the following structures were added as the purpose of the building changed and developed: the upper half of the circular drum, the palace with its statue of archangel Michael, the four bastions on the corners of the podium, the castles curtain wall, and the ditch and outer triangular fortifications. After also being used as a prison, the building was decommissioned in 1901, and has been used as a museum ever since.

Facilities & Visiting Castel Sant’Angelo:

entry-fee-euro open-year-round opening-hours onsite-shop
Closed on Mondays.

Buying Tickets for Castel Sant’Angelo

You can purchase a skip-the-line ticket in advance online from GetYourGuide.

With this ticket not only do you get to beat the queues, but you will be met at the entrance by greeter (hosts speak English, French, German, Italian and Spanish) who will take you through the entrance. There is no need to worry about anything.

Included in the ticket is the option to cancel your ticket up to 24 hours in advance for a full refund, without paying an extra fee.

Small Group, Guided Tours of Castel Sant’Angelo

What not to miss during your visit:

Three thematic routes guide visitors through the castle: the mausoleum of Hadrian, the fortified castle and the papal apartments.

When in the papal apartments do not miss Pope Clement VII’s bathroom. Besides the antique style decoration of the room, from here you will get an excellent view of the passetto. Built in 1277 along the top of the ninth century wall, this passage was constructed to provide an escape route running between the Vatican and the Castle. The route of the passetto is marked out with blue pins in the map above, as it runs along Via dei Corridori.

The passetto that links the Castel Sant'Angelo with the Vatican.

The passetto running from Castel Sant’Angelo to the Vatican alongside the Via dei Corridori.

The passetto runs from the Vatican to Castel Sant'Angelo.

The passetto to the left of Saint Peter’s Square leading to Castel Sant’Angelo in the distance.

Visiting Rome? If you are planning a trip to Rome in Italy, check our Rome Travel Guide for History and Adventure Seekers.

Archaeology Travel | Castel Sant'Angelo - Hadrian's Mausoleum | 2