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🏝️ The Islands of Lake Bolsena: History, Mystery, and Legends

  • Writer: Giano di Vico
    Giano di Vico
  • Aug 4
  • 3 min read


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In the heart of Tuscia, two gems rise from the volcanic waters of Lake Bolsena: Isola Bisentina and Isola Martana. These islands are steeped in over two thousand years of history, mystery, and spiritual legacy.




🌳

Isola Bisentina

– The Majestic and Mysterious Jewel




🏛️ History and Ownership



  • 📜 Inhabited since Etruscan and Roman times; archaeological finds include a pirogue (1989).

  • 🔒 In 1261, Pope Urban IV renamed it Isola Urbana and used it as a prison for the Templars.

  • 👑 Later owned by the Farnese family, becoming part of the Duchy of Castro.

  • 🌸 Passed through noble families: Piatti, Spada Potenziani, Del Drago.

  • 🏛️ Since 2017, owned by the Rovati family (founders of Rottapharm).




⛪ Seven Churches and Sacred Architecture



  • Built by the Franciscan friars between the 15th and 16th centuries.

  • Each faces a different village around the lake.

  • The church of SS. Giacomo e Cristoforo, with a dome by Vignola, is visible from the mainland.

  • The Rocchina by Antonio da Sangallo the Younger: a miniature Rocca Farnese.

  • Frescoes by followers of Benozzo Gozzoli.




🔮 The “Malta of the Popes” – Esoteric Mystery



  • An underground chamber carved into Mount Tabor.

  • Possibly Etruscan in origin; used as a prison for heretical clergy.

  • Described by Dante in Paradiso, Canto IX.

  • In modern esotericism, believed to be an entrance to the mythical kingdom of Agarthi.




🎬 Film and Literature



Filming location for:


  • La maschera by Fiorella Infascelli

  • Le meraviglie by Alice Rohrwacher

  • Stasera a casa di Alice by Carlo Verdone

  • And more…



Also featured in the novel La natura è innocente by Walter Siti.



🍃 Biodiversity



Over 230 species of spontaneous and naturalized plants catalogued.




🌙

Isola Martana

– The Island of the Tragic Queen




📖 History and Ownership



  • First mentioned in a document from 852 AD.

  • In 1254, Count Guittone of Bisenzio claimed the title of podestà.

  • After 1649, it returned to the Church.

  • In the 1960s, purchased by the SAGIAR company.

  • Today, privately owned by a Roman-Viterbo-based company.




👑 The Tragedy of Queen Amalasuntha



  • In 535 AD, Amalasuntha, Ostrogothic queen, was assassinated here.

  • Methods of death are debated: strangled, stabbed, drowned, or thrown from the cliffs.

  • Her ghost is said to haunt the island on full moon nights.

  • Local fishermen claim her cries are still heard during strong northern winds.




🛶 Legends and Submerged Paths



  • A submerged stone road may have once linked the island to the mainland.

  • The House of Tomao (via Amalasunta 106, Marta): believed to be the fisherman’s house who transported the queen.




🙏 Monastic Orders



Over the centuries, it hosted:


  • Benedictines

  • Augustinians

  • Paolotti

  • Minims of Saint Francis of Paola (1574–1690)




🗺️ Geography and Features



  • Crescent-shaped; the visible tip of a submerged volcanic crater.

  • North side: steep cliffs.

  • South side: gentler slopes, oaks and olive trees.





⚓ Shared Curiosities




🏰 The Duchy of Castro



Both islands belonged to the Duchy of Castro, destroyed by Pope Innocent X in 1649.

On the ruins of the capital city, a single column was raised: “Hic Castrum fuit” (“Here stood Castro”).



🚢 Historical Navigation



In 1884, the first steamship – named Santa Cristina – sailed the lake. Owned by Giovanni Garassino, former owner of Bisentina.



🔒 Current Status



  • Bisentina: now open to the public thanks to the Rovati family.

  • Martana: closed, visitable only with special permission.

  • Tour boats from Capodimonte and Bolsena can circle both islands.





✨ Conclusion



The islands of Lake Bolsena offer a rare blend of nature, mysticism, history, and legend. They are timeless sentinels in the lake’s calm waters, echoing the stories of Popes, queens, monks, and ancient civilizations.

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