The megalithic altar of Monte d’Accoddi

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SASSARI, SARDEGNA · PREHISTORIC

Monte d’Accoddi

A truncated-pyramid altar standing on the Sardinian plateau, this enigmatic megaliths shares striking structural and symbolic parallels with Mesopotamian ziggurats, suggesting an extraordinary convergence across ancient civilizations.

At a glance

Monte d’Accoddi is a raised platform monument shaped like a top-truncated pyramid, erected during the Ozieri culture period (3200–2800 BC). A 42-meter ramp ascends to a sacred chamber once positioned at the summit. The site occupies a landscape rich in prenuragic and nuragic remains, between the modern cities of Sassari and Porto Torres.

History

Sardinian archaeologist Ercole Contu conducted the first excavation campaign in the 1950s and recognized immediately that Monte d’Accoddi was monumental and unique across Europe and the Mediterranean. Artifacts discovered at the site include remains from the Ozieri culture: hypogean tombs (domus de janas), quadrangular hut foundations, a menhir possibly belonging to a sanctuary, and two mysterious spherical objects of different sizes—possibly symbolic representations of the sun and moon.

The site’s etymology suggests profound cultural connections. The name “accoddi” or “akkoddi” may derive from the Sardinian prenuragic word kodi, meaning “mountain,” echoing the Akkadian ziqquratu (“mountain top”). Such linguistic resonance raises questions about shared cosmological understanding across distant ancient societies.

What you see

The monument comprises a raised platform in pyramidal form. Within its structure lies an older, entirely incorporated platform—testament to successive ritual or ceremonial rebuilding. The sacred cell once crowned the summit; today only its foundations remain visible. A remarkable 138-foot ramp provides access to the top, designed to amplify the visual and emotional experience of approach and arrival.

Cultural significance

Monte d’Accoddi represents Europe’s most ancient example of a prehistoric monumental altar. Its form recalls the Mesopotamian ziqqurat—a structure traditionally interpreted as a cosmic mountain linking the underworld, earth, and heavens. The contemporary appearance of both types, thousands of miles apart, raises profound questions about whether common ancestral beliefs shaped architectural expression across Bronze Age societies, or whether human cultures independently arrived at similar sacred geometries.

Key facts

  • Address: Ex SS 121 KM 222, 07100 Sassari
  • Location: Ottava, Sassari Province
  • Coordinates: 40.7905408, 8.4488979
  • Website: http://turismosassari.it/it/esplora/arte-e-cultura/item/380-monte-d-accoddi-il-piu-antico-esempio-del-mediterraneo-di-altare-preistorico
  • Phone: 079 200 8072

Practical information

The site is open to visitors. Contact the Sassari tourism office or check the official website for current opening hours and entry conditions.

Getting there

Monte d’Accoddi is situated near Sassari in northern Sardegna. You can reach it via the Ex SS 121 highway at kilometer 222. For detailed directions from Sassari or Porto Torres, consult a GPS navigation app or the tourism information provided.

Sources & resources

Editorial text © Cultural Heritage Online. Based on the Cultural Heritage Online legacy archive.

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