Fortino di Sant'Ignazio, Fort on Sant'Elia hill in Cagliari, Italy

Fortino di Sant'Ignazio is a military tower on Sant'Elia hill built from stone with defense points positioned to overlook the surrounding waters and coast. The structure rises 94 meters above sea level and contains multiple levels and interior spaces designed for observation and protection.

The Savoy government built the fort between December 1793 and 1795, after a failed French invasion attempt, converting a Spanish cannon tower into a casemated stronghold. It was designed by military engineer Franco Lorenzo and never entered active service, later serving as a signal tower until the Royal Tower Administration was abolished in 1842.

The site served as a military lookout over the bay and was repurposed for different needs as the city evolved. Today visitors can walk through the remains and experience the wide views across the water that made it strategically valuable.

You can reach the site on foot by following paths and routes that lead up Sant'Elia hill to the tower. Wear sturdy shoes since the paths are uneven and the terrain can be rough in places.

The fort never saw service: the French invasion threat faded while it was being finished, and it was turned into a signal tower instead. The Savoy royal tower administration that ran such posts was abolished in 1842, and later demolitions left little of the older Sant'Elia tower, which stood on a Pisan-era lighthouse.