The Tholi fortress was built in the last Venetian period, between 16th and 17th century.
The Venetian fortress is in the west of the settlement of Alagni, on the top of the Tholi hill.
It had two floors with three arched ground floors. Around it , there were walls to protect it from the enemies.
Today, on the hummock with the fabulous view some parts of the walls are preserved.