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Castel Sant'Angelo: Hadrian's tomb, the popes' fortress

Castel Sant'Angelo is a round tower on the bank of the Tiber that has been a tomb, a castle, a prison and a museum. Each use left a layer.

Castel Sant'Angelo lit at dusk, a round fortress under a deep blue sky.
Jebulon, CC0
What it is
Monument
Time to allow
1.5 to 2 hours
Cost
Ticket
Best time
Late afternoon, for the terrace at sunset

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    Why Castel Sant'Angelo is worth it

    The emperor Hadrian built it between 134 and 139 as a mausoleum for himself and his family. His ashes were placed here, and those of the emperors after him down to Caracalla in 217. It was then the tallest building in Rome: a great drum faced in marble with a garden and a bronze chariot on top.

    From the fifth century it was a fortress. The popes made it their stronghold, and joined it to the Vatican by a raised corridor along the top of a wall, the Passetto di Borgo. When Rome was sacked in 1527, Pope Clement VII ran along it and sat out the siege inside.

    The name comes from a legend: in 590, during a plague, the archangel Michael was seen on the summit sheathing his sword. A bronze angel stands there now, and the last act of Puccini's Tosca ends with a leap from the parapet beneath him.

    What to see

    1. The spiral ramp

      The way in is Hadrian's own: a wide ramp that winds up through the Roman core of the building to the chamber where the imperial ashes were kept.

    2. The papal apartments

      Higher up, the rooms the popes had frescoed for themselves in the sixteenth century, in case they had to stay.

    3. The terrace

      Under the angel. St Peter's is straight ahead, the river and the centre on the other side, and the Passetto runs off below towards the Vatican.

    4. Ponte Sant'Angelo

      The footbridge in front is Hadrian's too. The ten angels along it, each carrying an instrument of the Passion, were designed by Bernini.

    How to do it well

    • Time the visit to reach the terrace about an hour before sunset.
    • There is a café on the upper walkway with one of the best views in Rome for the price of a coffee.
    • It pairs well with St Peter's, ten minutes' walk away down Via della Conciliazione.
    • The visit is all ramps and stairs. Allow for the climb.
    • Photograph the castle from the bridge, and the bridge from the castle.

    Where it is

    Address

    Lungotevere Castello, on the west bank of the Tiber

    Nearest station

    Lepanto or Ottaviano, on line A, fifteen minutes on foot

    Museums and sights nearby

    Distances are in a straight line.

    Tickets and tours: Castel Sant'Angelo

    Castel Sant'Angelo: common questions

    What was Castel Sant'Angelo built for?
    As a tomb. The emperor Hadrian built it between 134 and 139 as a mausoleum for himself and his successors. It was turned into a fortress from the fifth century and later into a castle of the popes.
    Is Castel Sant'Angelo worth going inside?
    Yes, for the climb through Hadrian's ramp and above all for the terrace at the top, which looks straight at the dome of St Peter's.
    Is Castel Sant'Angelo connected to the Vatican?
    Yes, by the Passetto di Borgo, a covered corridor along the top of a wall about 800 metres long. Popes used it to reach the castle in times of danger.
    How much time do you need for Castel Sant'Angelo?
    Allow 1.5 to 2 hours. That is this site's estimate for an unhurried visit.

    What visitors say about Castel Sant'Angelo

    Rating from Google

    4.7

    111,713 ratings on Google

    Google's figures as read on 6 October 2026.

    Read every review on Google

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