Rocca aldobrandesca

Rocca Aldobrandesca sits atop Monte Argentario as a fortress with four corner bastions, thick stone walls, and an internal courtyard containing military structures and a chapel. The building's massive presence shapes the landscape and offers views across the surrounding waters from its walls.

The fortress was originally built for Tre Fontane Abbey and expanded under Aldobrandeschi control in the 13th century. During the Spanish Presidi period, it underwent major reinforcements to strengthen its defensive capabilities.

The fortress contains residential apartments today, including one where American writer Robert Penn Warren created important literary work during the 1950s. The space thus bridges medieval military construction with modern creative life.

Access is through a wooden drawbridge, and while not regularly open, visitors can arrange entry through the tourist information center in Piazza Roma. It is best to plan ahead and bring appropriate gear for exploring the historic structure.

One of the four original bastions was converted into a functioning lighthouse in 1862, blending medieval fortifications with modern maritime navigation. This transformation shows how ancient structures adapted to new purposes over time.

Location: Monte Argentario

Address: Via della Rocca

GPS coordinates: 42.38938,11.21185

Latest update: December 10, 2025 20:00