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Coastal watchtower on a bay on Asinara
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Asinara: From High-Security Prison to National Park

The island with the white donkeys off Stintino was off-limits for over a century โ€“ first as a quarantine station, then as one of Italy's toughest prisons.

From quarantine to prisoner camp

In the late 19th century, Asinara was first set up as a quarantine station for sailors. In World War I, the island served as a massive prisoner-of-war camp: around 24,000 Austro-Hungarian soldiers captured after the Battle of Mojkovac were interned here โ€“ under catastrophic hygienic conditions that killed thousands.

High-security wing for the Mafia

From the 1970s onward, during Italy's so-called "Years of Lead" of political violence, Asinara operated as a high-security prison holding RAF-style Red Brigades terrorists as well as, later, leading Mafia bosses. After the assassinations of judges Giovanni Falcone and Paolo Borsellino in 1992, Italy drastically tightened detention conditions for mafiosi: the notorious "41-bis" special detention regime, which almost completely isolated bosses like Salvatore Riina from the outside world, was enforced here among other places.

In over 110 years as a prison island, only a single escape attempt ever permanently succeeded.

Where the case against Cosa Nostra was built

As early as 1985, judges Falcone and Borsellino worked temporarily on Asinara โ€“ sheltered for security reasons in the guesthouse at Cala d'Oliva โ€“ on the roughly 8,000-page indictment for the historic Maxi Trial against Cosa Nostra in Palermo, which led to the conviction of hundreds of mafiosi.

Today: national park with white donkeys

In 1997 the prison was finally closed and the entire island declared a national park. Precisely because it was sealed off for so long, the striking white, blue-eyed donkey breed survived here, which we've dedicated a section to in our article on Sardinia's wildlife. Today Asinara is only accessible via organized tours or boats from Stintino or Porto Torres โ€“ a national park whose deserted coves exist almost entirely because of a former restricted zone.

Good to know: part of the former prison buildings at Cala d'Oliva and Fornelli can be visited on guided tours โ€“ an unusual contrast to the otherwise untouched beaches of the island.