Fortezza delle Saline, Military fort in Albinia, Italy

Fortezza delle Saline is a quadrilateral fort at the mouth of the Albegna, near Albinia in Orbetello. Its thick perimeter wall has a rampart wide enough for artillery, with a sturdy tower facing the sea, a small bastion at the opposite corner, and two bastions with circular sentry boxes. The tower projects outward to three times the height of the wall and is topped by a row of small arches on corbels.

The Sienese built the square tower in the second half of the 15th century; a design from 1469 survives. In 1630 Philip IV of Spain added a small fort, bastions and a moat fed by the Albegna, with a drawbridge, tying it into the State of the Presidi's defences. In March 1645 a Franco-Piedmontese force landed at the river mouth; the Spanish garrison abandoned the fort without firing a shot and withdrew to Orbetello.

The fort demonstrates how salt production and maritime commerce shaped life along this coast for centuries. Its location between water and marshland reflects the practical connection between defense and economic activity in the region.

The fort sits in a flat marshland area next to salt ponds, so sturdy footwear and sun protection are helpful. The paths around the structure can become slippery when wet, so watch your footing as you walk.

The fort functioned as a customs post and monitored salt production in the ponds across the river from its vantage point. This system allowed authorities to supervise both maritime traffic and local economic activity in one location.