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"We recently began traveling through the tunnels to avoid the guards, but many of the entrances in the city are broken. By using them, we can get to our destination rapidly, without encountering resistance."
Niccolò Machiavelli regarding the tunnels.[src]
Roman Underground 2

Ezio and Machiavelli entering a tunnel

Tunnels were a means of fast travel for the Assassins in Rome, Constantinople, Boston and New York City, and served as a way to arrive at destinations rapidly, while avoiding guards.

Roman tunnels[]

Tiber Tunnel

A tunnel entrance in Rome

Giovanni Auditore da Firenze discovered the tunnels in Rome,[1] though his son – Ezio Auditore da Firenze – was first introduced to the tunnels by Niccolò Machiavelli in 1500.[2]

There were a total of nineteen tunnel entrances throughout Rome, but only one tunnel entrance was available initially, leaving the other eighteen to be renovated by paying a sum of florins to an architect. The three tunnels that were located outside of the Rosa in Fiore, Barracks, and the La Volpe Addormentata were automatically renovated once the respective building fronting it was; making them the only ones that were required to be restored.[2]

Each district could be accessed via the tunnel network, with the exception of the Vaticano District. Every standard entrance to the tunnels looked alike, and had the letters SPQR – an acronym for the Senatus Populusque Romanus – engraved over their gates.[2] The allocation of the Roman tunnels were as follows:

Centro District
Campagna District
Antico District

Constantinople tunnel locations[]

ACR Tunnel Entrance

A tunnel entrance in Constantinople

In Constantinople, all tunnel entrances had been renovated by the Ottoman Assassins, allowing Ezio to freely travel between them.[3] They were composed as such:

Colonial America[]

ACIII-Laststand 2

Connor entering the Masonic tunnels

The tunnels in America were used by the Freemasons. Samuel Adams introduced Ratonhnhaké:ton to the tunnels in Boston in 1770, and he explored them over his lifetime.

To uncover new entrances, he used lanterns to light his path, and employed his skills in freerunning and lockpicking as well as utilizing magic lanterns that he came across at some of the Freemasons' exits.[4]

In 1781, Connor emerged from the tunnels in a well in New York's militarized district to infiltrate Fort George, after his apprentices and the Marquis de Lafayette had cleared the sealed entrances for him.[4]


South District
Central District
North District

New York[]

West District
East District
North District
  • East Countryside
  • Presbyterian Church
  • West Countryside


  • In Brotherhood, if Ezio made use of the tunnels, there was a brief cutscene of him opening the latch on the gate and entering, though it did not show him traveling through the tunnels themselves. In Revelations, the cutscene was omitted, with the screen fading to black whenever the tunnels were accessed. In Assassin's Creed III, tunnels became explorable for the first time.
  • Tunnel entrances glowed white when seen with Eagle Vision.
  • In Revelations, the Galata District tunnels connected with the other districts, even though there was a large body of water between them.
  • In Assassin's Creed III, after completing the main storyline, it was possible to fast travel to the well in the military district and enter the underground. Once inside however, Connor would appear without a lantern, the passage to the tunnel network created during "Lee's Last Stand" memory was blocked once more, and he couldn't exit the tunnels via the nearby ladder. The only way to exit the tunnels was to fast travel to another entrance within the network, and leave from there.
  • Haytham Kenway was also able to explore the tunnel network in Boston when he arrived in the colonies.