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🏛️ Ancien château royal, prieuré Saint-Maurice et mur gallo-romain à Senlis

Archaeology - Ancient Rome France Europe

🏛️ Ancien château royal, prieuré Saint-Maurice et mur gallo-romain à Senlis
Medieval castle, priory, and Roman defensive wall in Picardy


🕐 1 min read · Updated 1 Apr 2026 at 22:17
📋 Fast Facts
  • Built 3rd century AD during Roman occupation of Gaul
  • Defensive wall constructed to counter Germanic invasions
  • Medieval castle integrated directly into the Roman wall structure
  • Segments of the wall remain visible within modern Senlis

Senlis preserves rare archaeological evidence of Gallo-Roman military engineering alongside medieval development. The mur gallo-romain, erected in the 3rd century AD, once protected this important provincial town with a 5-metre-high fortification. The medieval Ancien château royal and prieuré Saint-Maurice were subsequently built into and upon this Roman foundation, demonstrating continuity of defensive strategy across centuries ...

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