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🛡️ Frontiers of the Roman Empire

Archaeology - Ancient Rome Germany Europe

🛡️ Frontiers of the Roman Empire
Watchtowers WP 2/50 to 2/55 including Justinius Rock


🕐 3 min read · Updated 2 Apr 2026 at 11:27

UNESCOUNESCO World Heritage Site

📋 Fast Facts
  • Located along the Antonine Wall in Scotland, built around 142 CE under Emperor Antoninus Pius
  • Part of the UNESCO World Heritage Site "Frontiers of the Roman Empire" (inscribed 1987)
  • Small military watchtowers positioned at regular intervals for surveillance and communication
  • Includes Justinius Rock, a natural outcrop used for observation and bearing frontier inscriptions

The watchtowers WP 2/50 to 2/55, including Justinius Rock, form a segment of the Antonine Wall, the northernmost Roman frontier in Britain. Constructed during the 2nd century CE under Emperor Antoninus Pius around 142 CE, these installations served as essential nodes in a sophisticated military communication and surveillance network. Though the Romans occupied the wall for only approximately two decades before withdrawing southward to Hadrian's Wall, the surviving remains provide critical ...

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