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Rare Gallo-Roman Mausoleum Unearthed in Vienne

Archaeologists will pause work this month and return in summer 2026 to reach the funerary chamber and search for inscriptions.

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Des archéologues s'activent sur les vestiges d'un mausolée dans la cité gallo-romaine de Vienne, dans le Rhône, le 21 août 2025, sur le site de Saint-Romain-en-Gal
Des archéologues s'activent sur les vestiges d'un mausolée dans la cité gallo-romaine de Vienne, dans le Rhône, le 21 août 2025, sur le site de Saint-Romain-en-Gal

Overview

  • The round monument is estimated at about six meters high with an interior diameter near 15 meters, a scale that suggests an elite owner.
  • Its architecture closely resembles Rome’s Mausoleum of Augustus, pointing to an Augustan‑era date in the early Roman Empire.
  • Only around two meters of the structure have been exposed so far by a field school that restarted excavations in 2024 with about fifteen students.
  • The team notes that comparable chambers are often found looted, so the chances of intact remains or inscriptions remain uncertain.
  • On a nearby trench, archaeologists also uncovered the remains of three shops that could illuminate local commercial life in antiquity.