Aragonese Castle, Medieval castle on volcanic islet, Ischia, Italy
Aragonese Castle is a stone fortress rising from a volcanic rock formation, connected to Ischia island by a 220-meter stone bridge across the sea. The complex includes residential spaces, administrative buildings, religious sites, and defensive walls that shaped life in this isolated stronghold.
The first defensive structure was built by Hiero I of Syracuse around 474 BCE to monitor fleet movements in the Gulf of Naples. Later it developed into a fortified settlement that housed people for centuries.
The grounds hold multiple religious buildings, including the Cathedral of Assunta and the Church of Immacolata built during the 1700s. These structures show how central faith was to the lives of those who lived and worked here.
Access to the castle runs through a tunnel carved into the rock, with entry tickets available from 9:00 AM at the base station. The grounds are steep and require sure footing; comfortable shoes and water are practically essential.
The 400-metre tunnel cut through the rock at Alfonso V of Aragon's order in the mid-1400s is lit by tall openings that doubled as murder holes, used to pour boiling oil and drop stones on attackers below. Before it existed, the only way up was a sea stair on the north side.
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